27.

28.

29.

30.

31.

82,

38.

34.

Number of light points admissible in one circuit are :
(4) 4 points of 400 w ஊண்‌.
(B) 8 points of 200 w each
(¢) 12 points of 60 ஊண்‌
(D) 8 points of 100 w each

Bayonet Cap lamp holders cannot be used for lamps having wattage rating more than :

(#) 60w (0) 100w
(0) 200w (1) 1000w
Other than Nichrome, which of the following materials are used as heating element?
(A) Tungsten (B) Kanthal
(C) Porcelain (D) Mica
One Calory is equal to :
(ಗಿ) 4187 joules (B) 41 .87 joules
(C) 4187 joules (D) 4.187 joules

A 1 KW, 230 V kettle 15 connected to 15 A plug socket using a power cord rated to carry
15 amperes. What should be the fuse rating of this appliance circuit?

(5) 6amps (B) 4 amps

)© 10 amps (D) 15 amps

A heater with short-circuited heating element is tested with a series test lamp, the test lamp
पाः

(ക glow brightly (18) glow dim
(C) glow normally (D) not glow
The unit of luminous intensity is :
(५) Candela (B) Steradian
(0) ‏سا‎ (D) Lumen

The purpose of a resistor connected in series with the heating element of an automatic
electric iron is to :

(A) control the current through the heating element

(8) apply low voltage to pilot lamp

(0 give safety for the thermostat

(D) centrol the heat

In batten wiring, the distance between link clips in vertical runs shall not exceed :
ಯ) ರಾ (8) 10em
(9) 120% (D) 15em

108/2016 6 A