|
B |
If the pitch of
the propeller is 19.4 feet, and the revolutions per day are 96,713, calculate
the day's run allowing 6% positive slip. |
308.6 miles |
290.1 miles |
266.4 miles |
327.1 miles |
Day's Run |
|
C |
If the pitch of
the propeller is 19.7 feet, and the revolutions per day are 86,178, calculate
the day's run allowing 3% negative slip. |
326.2 miles |
279.2 miles |
287.6 miles |
311.4 miles |
Day's Run |
|
A |
If the pitch of
the propeller is 20.1 feet, and the revolutions per day are 118,178, calculate
the day's run allowing 6% negative slip. |
414.1 miles |
381.6 miles |
398.4 miles |
367.2 miles |
Day's Run |
|
D |
If the pitch of
the propeller is 20.6 feet, and the revolutions per day are 107,341, calculate
the day's run allowing 3% positive slip. |
374.5 miles |
389.1 miles |
363.6 miles |
352.7 miles |
Day's Run |
|
B |
If the pitch of
the propeller is 21.2 feet, and the revolutions per day are 93,660, calculate
the day's run allowing 5% positive slip. |
163.3 miles |
310.3 miles |
342.9 miles |
217.8 miles |
Day's Run |
|
A |
If the pitch of
the propeller is 21.3 feet, and the revolutions per day are 126,214, calculate
the day's run allowing 4% positive slip. |
424.5 miles |
459.9 miles |
477.3 miles |
442.1 miles |
Day's Run |
|
B |
If the pitch of
the propeller is 21.5 feet, and the revolutions per day are 96,666, calculate
the day's run allowing 9% negative slip. |
341.8 miles |
372.6 miles |
357.9 miles |
311.1 miles |
Day's Run |
|
C |
If the pitch of
the propeller is 22.4 feet, and the revolutions per day are 103,690, calculate
the day's run allowing 9% positive slip. |
321.7 miles |
416.4 miles |
347.6 miles |
382.0 miles |
Day's Run |
|
D |
If the pitch of
the propeller is 23.2 feet, and the revolutions per day are 94,910, calculate
the day's run allowing 11% negative slip. |
362.3 miles |
322.3 miles |
382.0 miles |
402.0 miles |
Day's Run |
|
D |
If the pitch of
the propeller is 24.8 feet, and the revolutions per day are 93,373, calculate
the day's run allowing 11% positive slip. |
380.9 miles |
307.3 miles |
422.8 miles |
339.0 miles |
Day's Run |
|
A |
If the pitch of
the propeller is 25.1 feet, and the revolutions per day are 91,591, calculate
the day's run allowing 7% positive slip. |
351.6 miles |
390.0 miles |
378.1 miles |
404.6 miles |
Day's Run |
|
C |
If the pitch of
the propeller is 26.3 feet, and the revolutions per day are 87,421, calculate
the day's run allowing 7% negative slip. |
351.7 miles |
419.3 miles |
404.6 miles |
378.1 miles |
Day's Run |
|
B |
If the pitch of
the propeller is 26.7 feet, and the revolutions per day are 131,717, calculate
the day's run allowing 4% negative slip. |
649.4 miles |
601.6 miles |
555.2 miles |
578.4 miles |
Day's Run |
|
D |
The pitch of the
propeller on your vessel is 19'09". You estimate the slip at -3%. If
you averaged 82 RPM for the day's run, how many miles did you steam? |
370.8 |
373.6 |
393.7 |
395.3 |
Day's Run |
|
A |
The propellers
on your twin screw vessel have a pitch of 16'04". What is the distance
in a day's run if the average RPM is 94, and you estimate 7% positive slip? |
338.3 miles |
676.6 miles |
778.6 miles |
389.3 miles |
Day's Run |
|
C |
If the speed necessary
for reaching port at a designated time is 12.6 knots and the pitch of the
propeller is 13.6 feet, how many revolutions per minute will the shaft have
to turn, assuming no slip? |
85 |
81 |
94 |
90 |
Rpm |
|
B |
If the speed necessary
for reaching port at a designated time is 15.7 knots and the pitch of the
propeller is 23.4 feet, how many revolutions per minute will the shaft have
to turn, assuming a 6% negative slip? |
76 |
64 |
68 |
72 |
Rpm |
|
A |
If the speed necessary
for reaching port at a designated time is 16.4 knots and the pitch of the
propeller is 23.8 feet, how many revolutions per minute will the shaft have
to turn, assuming a 6% positive slip? |
74 |
90 |
82 |
66 |
Rpm |
|
B |
If the speed necessary
for reaching port at a designated time is 16.8 knots and the pitch of the
propeller is 22.3 feet, how many revolutions per minute will the shaft have
to turn, assuming a 4% negative slip? |
66 |
73 |
61 |
80 |
Rpm |
|
D |
If the speed necessary
for reaching port at a designated time is 17.4 knots and the pitch of the
propeller is 25.6 feet, how many revolutions per minute will the shaft have
to turn, assuming a 3% positive slip? |
67 |
63 |
75 |
71 |
Rpm |
|
A |
If the speed necessary
for reaching port at a designated time is 17.8 knots and the pitch of the
propeller is 24.7 feet, how many revolutions per minute will the shaft have
to turn, assuming a 7% positive slip? |
79 |
71 |
75 |
67 |
Rpm |
|
D |
If the speed necessary
for reaching port at a designated time is 18.2 knots and the pitch of the
propeller is 23.9 feet, how many revolutions per minute will the shaft have
to turn, assuming a 2% negative slip? |
70 |
79 |
73 |
76 |
Rpm |
|
A |
If the speed necessary
for reaching port at a designated time is 18.5 knots and the pitch of the
propeller is 21.7 feet, how many revolutions per minute will the shaft have
to turn, assuming a 4% negative slip? |
83 |
90 |
97 |
114 |
Rpm |
|
C |
If the speed necessary
for reaching port at a designated time is 18.6 knots, and the pitch of the
propeller is 26.2 feet, how many revolutions per minute will the shaft have
to turn, assuming a 4% negative slip? |
78 |
75 |
69 |
72 |
Rpm |
|
D |
If the speed necessary
for reaching port at a designated time is 19.2 knots and the pitch of the
propeller is 22.7 feet, how many revolutions per minute will the shaft have
to turn, assuming a 4% positive slip? |
96 |
82 |
103 |
89 |
Rpm |
|
B |
If the speed necessary
for reaching port at a designated time is 19.6 knots and the pitch of the
propeller is 24.6 feet, how many revolutions per minute will the shaft have
to turn, assuming a 5% positive slip? |
106 |
85 |
76 |
97 |
Rpm |
|
D |
If the speed necessary
for reaching port at a designated time is 20.7 knots and the pitch of the
propeller is 23.8 feet, how many revolutions per minute will the shaft have
to turn, assuming a 3% negative slip? |
98 |
79 |
74 |
86 |
Rpm |
|
A |
If the speed necessary
for reaching port at a designated time is 21.6 knots and the pitch of the
propeller is 22.5 feet, how many revolutions per minute will the shaft have
to turn, assuming a 2% positive slip? |
99 |
87 |
95 |
81 |
Rpm |
|
B |
If the speed necessary
for reaching port at a designated time is 23.7 knots and the pitch of the
propeller is 20.8 feet, how many revolutions per minute will the shaft have
to turn, assuming a 7% negative slip? |
124 |
108 |
112 |
116 |
Rpm |
|
A |
The speed necessary
to reach port at a designated time is 18.7 knots. The propeller pitch is
24'03", and you estimate 3% positive slip. How many RPM's will the
shaft have to turn? |
81 RPM |
98 RPM |
104 RPM |
87 RPM |
Rpm |
|
D |
The speed of advance
necessary to arrive in port at a designated time is 15.8 knots. The pitch
of the propeller is 20.75 feet. You estimate 5% positive slip. How many
RPM must you turn to make the necessary speed? |
76.2 |
73.5 |
79.9 |
81.2 |
Rpm |
|
B |
You must average
16.25 knots to reach port at a designated time. Your propeller has a pitch
of 21'08", and you estimate 4% negative slip. How many RPM's must you
average to arrive on time? |
77 RPM |
73 RPM |
82 RPM |
88 RPM |
Rpm |
|
B |
From 1020, 3 March,
to 1845, 5 March, your vessel steamed an observed distance of 845.6 miles.
The average RPM was 78, and the pitch of the propeller was 20'03".
What was the slip? |
-4 (%) |
4 (%) |
-8 (%) |
8 (%) |
Slip |
|
D |
The observed distance
for a day's run was 302.7 miles. The propeller had a pitch of 20'06",
and the average RPM was 67. What was the slip? |
-0.7 (%) |
0.7 (%) |
-7 (%) |
7 (%) |
Slip |
|
C |
The observed noon
to noon run for a 24 hour period is 489 miles. The average RPM for the day
was 95. The pitch of the wheel is 22.5 feet. What is the slip of the wheel? |
3.7 (%) |
3.2 (%) |
3.4 (%) |
3.9 (%) |
Slip |
|
A |
The propeller
of a vessel has a pitch of 19.0 feet. If the vessel traveled 183.5 miles
(observed distance) in 24 hours at an average of 44 RPM, what was the slip? |
7.4 (%) |
-7.4 (%) |
11.6 (%) |
-11.6 (%) |
Slip |
|
D |
The propeller
on a vessel has a diameter of 18.8 feet and a pitch of 21.4 feet. What would
be the slip if the vessel cruised 378 miles in a 24 hour day (observed distance)
at an average RPM of 76? |
-1.9 (%) |
4.7 (%) |
-4.7 (%) |
1.9 (%) |
Slip |
|
A |
The propeller
on a vessel has a diameter of 19.9 feet and a pitch of 21.6 feet. What would
be the apparent slip if the vessel cruised 395 miles in a 23 hour day (observed
distance) at an average RPM of 78? |
-3.2 (%) |
12 (%) |
3.2 (%) |
-12 (%) |
Slip |
|
D |
The propeller
on a vessel has a diameter of 20.2 feet and a pitch of 19.0 feet. What would
be the apparent slip if the vessel cruised 367 miles in a 24 hour day (observed
distance) at an average RPM of 84? |
5.2 (%) |
-5.2 (%) |
-2.9 (%) |
2.9 (%) |
Slip |
|
A |
The propeller
on a vessel has a diameter of 20.6 feet and a pitch of 23.4 feet. What would
be the apparent slip if the vessel cruised 538 miles in a 24 hour day (observed
distance) at an average RPM of 87? |
-11.6 (%) |
11.6 (%) |
-10.3 (%) |
10.3 (%) |
Slip |
|
A |
The propeller
on a vessel has a diameter of 20.9 feet and a pitch of 19.6 feet. What would
be the apparent slip if the vessel cruised 447 miles in a 23 hour day (observed
distance) at an average RPM of 108? |
7 (%) |
-5.6 (%) |
-7 (%) |
5.6 (%) |
Slip |
|
D |
The propeller
on a vessel has a diameter of 21.2 feet and a pitch of 20.0 feet. What would
be the apparent slip if the vessel cruised 391 miles in a 24 hour day (observed
distance) at an average RPM of 88? |
-6.2 (%) |
11.5 (%) |
-11.5 (%) |
6.2 (%) |
Slip |
|
A |
The propeller
on a vessel has a diameter of 21.5 feet and a pitch of 24.5 feet. What would
be the apparent slip if the vessel cruised 458 miles in a 23 hour day (observed
distance) at an average RPM of 78? |
-5.6 (%) |
-12.3 (%) |
12.3 (%) |
5.6 (%) |
Slip |
|
A |
The propeller
on a vessel has a diameter of 22.8 feet and a pitch of 19.3 feet. What would
be the apparent slip if the vessel cruised 287 miles in a 24 hour day (observed
distance) at an average RPM of 67? |
6.3 (%) |
-6.3 (%) |
24 (%) |
-24 (%) |
Slip |
|
C |
The propeller
on a vessel has a diameter of 23.7 feet and a pitch of 24.8 feet. What would
be the apparent slip if the vessel cruised 442 miles in a 23 hour day (observed
distance) at an average RPM of 89? |
7.6 (%) |
-11.8 (%) |
11.8 (%) |
-7.6 (%) |
Slip |
|
A |
The propeller
on a vessel has a diameter of 24.0 feet and a pitch of 21.3 feet. What would
be the slip if the vessel cruised 510 miles in a 24 hour day (observed distance)
at an average RPM of 86? |
-17.5 (%) |
17.5 (%) |
12.2 (%) |
-12.2 (%) |
Slip |
|
D |
The propeller
on a vessel has a diameter of 24.6 feet and a pitch of 26.1 feet. What would
be the apparent slip if the vessel cruised 462 miles in a 24 hour day (observed
distance) at an average RPM of 72? |
-2.7 (%) |
3.8 (%) |
2.7 (%) |
-3.8 (%) |
Slip |
|
C |
The propeller
on a vessel has a diameter of 25.3 feet and a pitch of 23.2 feet. What would
be the apparent slip if the vessel cruised 515 miles in a 23 hour day (observed
distance) at an average RPM of 93? |
-3.6 (%) |
5.2 (%) |
-5.2 (%) |
3.6 (%) |
Slip |
|
B |
The propeller
on your vessel has a pitch of 18'09". If the observed distance for
a day's run was 399.4 miles and the average RPM was 86, which statement
is TRUE? |
The day's run
by engine RPM was 404.5 miles. |
The slip is a
negative 5%. |
The slip is a
positive 5%. |
The day's run
by engine RPM was 390.6 miles. |
Slip |
|
B |
The propeller
on your vessel has a pitch of 22.8 feet. From 0800, 18 April, to 1020, 19
April, you steamed an observed distance of 403.6 miles. If your average
RPM was 74, what was the slip? |
-8 (%) |
8 (%) |
7 (%) |
-7 (%) |
Slip |
|
B |
Your vessel's
propeller has a pitch of 22'06". From 0530, 19 March, to 1930, 20 March,
the average RPM was 82. The distance run by observation was 721.5 miles.
What was the slip? |
4 (%) |
-4 (%) |
7 (%) |
-7 (%) |
Slip |
|
A |
You are turning
100 RPM, with a propeller pitch of 25 feet, and an estimated slip of -5%.
What is the speed of advance? |
25.9 knots |
22.3 knots |
24.7 knots |
23.5 knots |
Speed of Advance |
|
B |
You are turning
100 RPM, with propeller pitch of 25 feet, and an estimated negative slip
of 5%. What is the speed of advance? |
26.3 knots |
25.9 knots |
23.4 knots |
24.7 knots |
Speed of Advance |
|
A |
You are turning
105 RPM, with a propeller pitch of 17 feet, and an estimated slip of -1%.
What is the speed of advance? |
17.8 knots |
15.3 knots |
16.9 knots |
17.4 knots |
Speed of Advance |
|
B |
You are turning
68 RPM, with a propeller pitch of 18 feet, and an estimated slip of +2%.
What is the speed of advance? |
11.5 knots |
11.8 knots |
12.3 knots |
10.7 knots |
Speed of Advance |
|
C |
You are turning
78 RPM, with a propeller pitch of 21 feet, and an estimated slip of -7%.
What is the speed of advance? |
15.7 knots |
17.8 knots |
17.3 knots |
14.9 knots |
Speed of Advance |
|
B |
You are turning
82 RPM, with a propeller pitch of 23 feet, and an estimated slip of +6%.
What is the speed of advance? |
19.7 knots |
17.5 knots |
18.4 knots |
17.9 knots |
Speed of Advance |
|
D |
You are turning
84 RPM, with a propeller pitch of 22 feet, and an estimated slip of 0%.
What is the speed of advance? |
17.7 knots |
18.0 knots |
16.8 knots |
18.2 knots |
Speed of Advance |
|
D |
You are turning
85 RPM, with a propeller pitch of 19 feet, and an estimated slip of +3%.
What is the speed of advance? |
16.4 knots |
14.7 knots |
17.1 knots |
15.5 knots |
Speed of Advance |
|
A |
You are turning
88 RPM, with a propeller pitch of 19 feet, and an estimated slip of 0%.
What is the speed of advance? |
16.5 knots |
18.1 knots |
16.9 knots |
17.3 knots |
Speed of Advance |
|
C |
You are turning
90 RPM, with a propeller pitch of 24 feet, and an estimated slip of -3%.
What is the speed of advance? |
19.2 knots |
20.6 knots |
21.9 knots |
18.8 knots |
Speed of Advance |
|
D |
You are turning
93 RPM, with a propeller pitch of 25 feet, and an estimated slip of 0%.
What is the speed of advance? |
21.9 knots |
22.4 knots |
20.2 knots |
22.9 knots |
Speed of Advance |
