11. Function of a carburetor is :
A. To mix petrol with air
B. To supply petrol to the engine
C. To purify the air
D. To purify the petrol
12. The terminal impedance of a folded dipole television antenna is kept :
A. 300 Ohms
B. 75 Ohms
C. 0 Ohms
D. 100 Ohms
13. The Acronym STD written on the Telephone booth stands for :
A. Straight Telephone Dial
B. Switch Telephone Dial
C. Subscriber Telephone Dialing
D. Save Telephone Dialing
14. The Efficiency of an air-conditioning plant is expressed by :
A. Percentage
B. Temperature
C. C.P.O
D. Tonnes
15. A plug gauge is used to measure the :
A. Pitch of thread
B. Angles
C. Bores of cylinders
D. Flatness
16. An optical gauge works on the principle of :
A. Interference of light
B. Reflection
C. Dispersion
D. Polarization
17. A fluorescent tube contains :
A. Argon
B. Nitrogen
C. Neon
D. Oxygen
18. The feeding of a job in a planner is done by :
A. Table movement
B. Tool movement
C. Ram movement
D. Movement of a clapper box
19. Which of the following machines utilizes fly cutters?
A. Milling machine
B. Planner
C. Lathe machine
D. Shaper
20. Least count of screw gauge is?
(A) 0.1mm
(B) 0.001mm
C) 1mm
(D) None of the above
Admin