GUIDE QUESTIONNAIRES for seafarers

A barometric pressure reading of 29.92 inches of mercury is equivalent to 

1012.35 millibars
1015.25 millibars
1010.35 millibars
1013.25 millibars

Ans. 1013.25 millibars

Apparent altitude is

sextant altitude corrected

for __________.

inaccuracies in the reading and reference level

double-second difference

chronometer error and dip

difference in assumed latitude and actual latitude

Ans. inaccuracies in the reading and reference level