16 Apr 2014

DGCA Paper-1, Feb 2012 Que. Paper

DGCA PAPER 2 FEB 2012
1.               fires in flammable petroleum products or other flammable or combustible liquids, greases, solvents, paints, etc is classified as
a.           class A fire
b.           class B fire
c.           class C fire

2.               Heat treatment of aluminum consists of
a.               Solution heat treatment
b.               Precipitation Heat Treatment
c.                Annealing
d.               All of the above

3.               If distance of cg from datum is 160” and of leading edge of MAC is 140” and length of MAC is 100”. Find MAC %
a.               20%
b.               50%
c.                75%

4.               If the input of half wave rectifier is 240 V and transformer has a step down ratio of 8:1, what is the output rms value?
a.               42.2 V
b.               30V

5.               Demultiplexer is
a.               Output is same as multiplexer
b.               Output is opposite of multiplexer
c.                As in b CCU regulates in input and output

6.               Which of them is a 5 layer device
a.               Diac
b.               Triac

7.                Convert octal code 3574 to binary
a.               011 101 111 100
b.               100 111 101  011
c.                111 101  011 111

8.                    A metal which can be hammered, rolled, or pressed into various shapes without cracking,  breaking, or leaving some other detrimental effect, is said to be
a.                Malleable
b.               Ductility

9.               MTCS regarding “Austenite” is
a.               The name given to steel when it is heated above the critical range, consists of a solid solution of cementite in gamma iron.

10.           Data transfer in a/C is by
a.               Series bus
b.               Parallel bus
c.                Data bus
d.               ARINC 429 bus

11.           Speed of induction motor is increased when
a.               Number of poles is increased
b.               Number of poles is reduced
c.                 

d.               All of the above

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