56.

57.

88,

58.

60.

61.

62,

63,

64.

Bourden tube is related to the measurement of :
(A) நாயாக (3) ஹம்‌
(0) temperature (D) fuel consumption

The liquid used in glass tube thermometer :
(வ Mercury (8) Aloohol
(£) Both (a) and (0) (D) None of these

Internal combustion engines are provided with "emergency automatic stops (emergency

trips)" in the condition of :
(^) लार low lubricating oil pressure
(B) very high cooling water temperature
(0) over speed
(D) all of the above

Sea water is used for the lubrication of :
(ക) intermediate bearing (B) stern tube bearing
(0) crosshead bearing (D) none of these

A ship does not require a gear box or engine reversing mechanism if it is fitted with a :

(4) constant pitch propeller (B) controllable pitch propeller
(@ bow thruster (D) stern thruster
Iiameter of a shaft can be measured using the 2
(ಯ) pitch gauge (8) ratchet spanner
(C) inside caliper (D) outside caliper

An open ended spanner with number 24 denotes :
(ಯ) the distance in mm between the flats
« (B) the hole diameter of the nut
(C) weight in gram
(D) length in inches

A striking 6௦0] :
(ಯ) seriber (8) punch
(C) hammer (D) steel rule
Which of the following is used for the accurate measurement of small distances :
(ಗ) விள வய (B) dial gauge
(0 - micrometer (1) vernier calipers

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