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6-36.
Each page of the Navigational
Timepiece Rate Book can accommodate
the records of (a) how many
chronometers and (b) for what time
period?
sec
1.
(a) One
(b) 3 mo
2.
(a) Three
(b) 3 mo
3.
(a) One
(b) 1 mo
4.
(a) Three
(b) 1 mo
6-37.
If the comparing watch reads
12h28m00s GMT when the chronometer
reads 12h26m01s, what is the
chronometer error?
1.1m58s
2.1m59s
3.2m00s
4.
2m01s
6-38.
What is the average daily rate
(ADR) of a chronometer that is fast
by 5 minutes 31 seconds on 1
September 1994 and fast by 6
minutes 43 seconds on 30 September
1994?
1.
-13.43 s/day
2. +11.03 s/day
3.
+2.4 s/day
4.
-2.4 s/day
6-39.
What is the ADR of a chronometer
that is slow by 11 minutes 58
seconds on 1 July 1994 and slow by
10 minutes 59 seconds 31 July 1994?
1.
-1.96 s/day
2. +1.96 s/day
3.
-1.90 s/day
4.
+1.90 s/day
6-40.
What is the ADR of a chronometer
that is slow by 2 minutes la
seconds on 1 April 1994 and slow by
4 minutes 15 seconds on 22 April
1994?
1.
+5.31 s/day
2.
-5.31 s/day
3.
+5.37 s/day
4.
-5.57 s/day
6-41.
What is the ADR of a chronometer
that is fast by 2 minutes 48
seconds on 17 February 1994 and
slow by 0 minutes 48 seconds on 17
March 1994?
6-42.
Chronometer error should be
determined no closer than which of
the following time periods?
1.
1
2.
2
sec
3.
3
sec
4.
1/2 sec
6-43.
Which of the following types of
timepieces is used to time
celestial observations?
1. Chronometer
2.
Deck clock
3. Comparing watch
4. General-purpose clock
6-44.
What time is used in celestial
observations?
1. Local
2. Meridian
3.
Zone
4. Greenwich mean
6-45.
When should you try to make C-W
comparisons to obtain the most
accurately timed observations?
1.
Every 10 days
2.
Both before and after sights
3.
At least once a watch
4.
Every day at 1130
6-46.
The chronometer time of a celestial
observation is obtained by adding
C-W to which of the following
times?
1.
GMT
2.
WT
3.
LMT
4.
ZT
6-47.
GMT is obtained by applying a CE
correction to which of the
following times?
1. CT
2.
ZT
3. LMT
4. LAT
6-48.
If the comparing watch reads
3h20m10s when the chronometer reads
5h10m00s, what is the value of C-W?
1.
8h30m10s
2.
2h10m10s
3.
1h49m50s
4.
1h10m10s
1.
+7.2 s/day
2.
-7.2 s/day
3.
+7.4 s/day
4.
-7.4 s/day
34
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