1531. For a flexible cable, most suitable insulation is :

A. Magneisum oxide
B. Glass Fibre
C.Polyvenyl chloride *
D. Insulating tape

1532. Function ofa carburator is :

A. To mix petrol with air *
B. To supply petrol to the engine
C. To purify the air
D. To purify the petrol

1533. The terminal impedance of folded dipole television antenna is kept :

A. 300 Ohms
B. 75 Ohms *
C. 0 Ohms
D. 100 Ohms

1534. Teh Acronym STD written on Telephone booth stands for :

A. Straight Telephone Dial
B. Switch Telephone Dial
C. Subscriber Telephone Dialing *
D. Save Telphone Dialing

1535. The Efficiency of an air-conditioning plant is expressed by :

A. Percentage
B. Temperature
C. C.P.O
D. Tonnes *

1536. A plug gauge is used to measure the :

A. Pitch of thread
B. Angles
C. Bores of cylinders *
D. Flatness

1537. An optical gauge works on the principle of :

A. Interference of light *
B. Reflextion
C. Dipersion
D. Polarisation

1538. A fluorescent tube contains :

A. Argon
B. Nitrogen
C. Neon *
D. Oxygen

1539. The feeding of a job in planner is done by :

A. Table movement
B. Tool movement
C. Ram movement
D. Movement of a clapper box *

1540. Which of the following machines utilised fly cutters ?

A. Milling machine *
B. Planner
C. Lathe machine
D. Shaper