LPSC Fireman Paper | ISRO LPSC Fireman Paper 2018

LPSC Fireman Paper 

Density of Kerosene is
(a) Same as water
(b) Less than water
(c) More than water
(d) Double than water

Water freezes at
(a) 32 degree fahrenheit
(b) 100 degree fahrenheit
(c) 32 degree celsius
(d) 100 degree celsius

When water freezes, its volume
(a) Decreases
(b) Increases
(c) No Change
(d) becomes less by 10%

Volume of one litre of water is
(a) 1000 c.c
(b) 1200 c.c.
(c) 1000 cum
(d) 800 c.c

The safety device ELCB stands for
(a) Earth leakage circuit breaker
(b) Electric circuit bond
(c) Electronic circuit barrier
(d) None of the above

Ohm’s law is given by
(a) V=IR
(b) I=V/R
(c) R= V/I
(d) All of the above

Human body can resist electric current up to
(a) 20 milli amp
(b) 2 amp
(c) 200 amp
(d) 20 amp

The mathematical equation of Boyle’s law is
(a) P/V=K
(b) PV=K
(c) PK=V
(d) VK=P

Copper is
(a) Non conducting material
(b) Insulating material
(c) Conducting material
(d) None of the above

Rubber is
(a) Non insulating material
(b) Insulating material
(c) Conducting material
(d) All of the above