RRB JE Mechanical Question Paper 2014 (Set-3) with Answer Key

106) A megger is used for the measurement of

Answer is:

High valued resistance, particularly insulated resistance

107) Stainless steel resists corrosion due to

Answer is:

Chromium

108) In a class A amplifier with sinusoidal input signal, the output current flow for

Answer is:

full cycle

Explanation:

In a class A amplifier with a sinusoidal input signal, the output current flows for full cycle i.e. 360° whereas, in a class B amplifier with a sinusoidal input signal, the output current flows for half cycle i.e. 180°.

109) The Central Processing Unit (CPU) consists of

Answer is:

control unit, arithmetic logic unit and primary storage

110) Internet, initially started as

Answer is:

Network for the defence forces of America

Explanation:

The first workable prototype of the Internet came in the late 1960s with the creation of ARPANET, or the Advanced Research Projects Agency Network. Originally funded by the U.S. Department of Defense, ARPANET used packet switching to allow multiple computers to communicate on a single network.