3441: Assertion (A) :
Large cold storage plants use ammonia as refrigerant while domestic refrigerators use chlorofluorocarbons.
Reason (R) :
Ammonia can be liquefied at ambient temperatures at low pressures.
(a) Both A and R are true, and R is the correct explanation of A
(b) Both A and R are true, but R is not a correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
3442: A person sitting in a bus experiences a jerk, when the bus stops all of a sudden. This is due to:
(a) Law of inertia
(b) Newton's third law of motion
(c) Einstein's law of relativity
(d) None of these
3443: The capital of India was shifted from Calcutta to Delhi in the year:
(a) 1905
(b) 1911
(c) 1912
(d) 1916
3444: Which one of the following satellites is to be launched from India in 1996?
(a) IRS-P2
(b) IRS-P3
(c) IRS-EN
(d) IRS-ID
3445: With reference to the international meeting held in the year 2006, which of the following pairs is/are correctly matched ?
1. NAM Summit : Havana
2. APEC Meeting : Bangkok
3. EU-India Summit : Helsinki
4. Un Climate Change Conference : Geneva
Select the correct answer using the codes given below:
(A) 1 only
(B) 1, 2 and 3
(C) 1 and 3 only
(D) 2,3 and 4