Physics for Engineering Entrance

About Nuclear Energy
Q-1 In ground state, what is mass of neutral C atom?
(a) <> 12u
(c) 12u (d) None
Q-2 Which of the following is used b) as a moderator in?
(a) H2O (b) D2O
(c) Ho (d) None
Q-3 In addition to D2O which is other substance used
as a moderator?
(a) Salt water (b) Simple water
(c)Graphite (d) None
Q-4 In nuclear reactor which fuel is used?
(a) C (b) P
(c) U (d) N
Q-5 Which type of force exist between N-N i.e
in Neutron - Neutron?
(a) Gravitational force (b) Nuclear force
(c) Strong Force (d) None
Q-6 In N- P which type of force exists?
(a) Nuclear force (b) Strong force
(c) A&B (d) None
Q-7 -------- is India’s------breeder test reactor?
(a) Dhruva, first (b) Dhruva, second
(c) Dhruva, third (d) None
Q-8 Why we use moderator in Nuclear reactor?
(a) To increase speed of neutron
(b) To slow down speed of neutron (c) A&B
(d) None
Q-9 Which type of rod is used in reactor to control
the reaction?
(a) Boron rod (b) Iron rod
(c) Al rod (d) None
Q-10 In nuclear reactor energy is produce due to?
(a) Nuclear fusion (b) Nuclear fission
(c) A&B (d) None
Q-11 In which state IGARC located?
(a) TN (b) HP
(c) Pb (d) J&K
Q-12 What is main duty of moderator in a reactor?
(a) To slow down neutron
(b) To accelerate neutron
(c) A&B
(d) None
Q-13 Who is behind the relation E= mc2 i.e.inter conversion
Of energy & mass?
(a) Einstein (b) Newton
(c) A&B (d) None
Q-14 Cd rod controls the ----- of reaction in nuclear
Reactor?
(a) Einstein (b) Speed
(c) Slowed (d) None
Q-15 --------is the fundamental particle?
(a) Proton (b) O2
(c) NL (d) None
Q-16 In sun what is source of energy?
(a) Nuclear fusion (b) Nuclear fission
(c) A&B (d) None
Q-17 1.66×10-27 1×g is value of
(a) 5a m u (b) 3 a m u
(c) 1a m u (d) None
Q-18 In order to measure pressure, which is used?
(a) Barometer (b) Lactometer
(c) Voltmeter (d) None
Q-19 Write number of proton in hydrogen?
(a) 2 (b) 1
(c) 9 (d) 6
Q-20 How many protons are there in oxygen?
(a) 6 (b) 8
(c) 9 (d) 10
Q-21 Write no. of proton for carbon?
(a) 7 (b) 6
(c) 9 (d) 8
Q-22 Atomic number of Na (Sodium) is?
(a) 12 (b) 11
(c) 13 (d) 18
Q-23 What is valency of carbon?
(a) 8 (b) 6
(c) 4 (d) 8
Q-24 What in symbol of boron?
(a) C (b) B
(c) BO (d) None
Q-25 Symbol of helium is?
(a) He (b) H
(c) Hi (d) None

ANSWERS:-
1 (c) 12u
2 (b) D2O
3 (c)Graphite
4 (c) U
5 (b) Nuclear force
6 (a) Nuclear force
7 (a) Dhruva, first
8 (b) To slow down speed of neutron
9 (a) Boron rod
10 (b) Nuclear fission
11 (a) TN
12 (a) To slow down neutron
13 (a) Einstein
14 (a) Einstein
15 (a) Proton
16 (a) Nuclear fusion
17 (c) 1a m u
18 (a) Barometer
19 (b) 1
20 (b) 8
21 (b) 6
22 (b) 11
23 (c) 4
24 (b) B
25 (a) He