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1476. Which of the following is used in a diesel engine ? 1. Cylinder 2. Spark plug3. Piston
A. 1, 2 and 3
B. 1 and 2
C. 2 and 3
D. 1 and 3
Explanation:
1477. Nights are cooler in the deserts because :
A. sand rediates heat less quickly as compared to earth
B. the sky is generally clear
C. sand radiates heat more quickly as compared to earth
D. the sky is generally cloudy
Explanation:
1478. A wave in which the particles of the material move up and down as the wave goes from left to right is known as :
A. longitudinal
B. transverse
C. sound
D. compressional
Explanation:
1479. A glass tumbler containing ice shows droplets of water on the outer surface because :
A. the outer surface of the tumbler shows hygroscopic effect
B. water from inside oozes out through the wall of the tumbler
C. the moisture in the air on coming in contact with the cold surface of the tumbler condenses into water droplets
D. both (a) and (b)
Explanation:
1480. What is a flow chart in computer terminology ?
A. A graphical representation of a sequence of operations in a computer program
B. A circular chart used for computer languages
C. A debugging programme.
D. None of these
Explanation:
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