Page 108 - CITS - WCS - Mechanical

WORKSHOP SCIENCE - CITS

6 The rating of fuse wire is expressed in terms of
(A) Ohms
(B) Mhos
(C) Amperes

(D) Watts.
ANSWER-C
7 For maximum transfer of power, internal resistance of the source should be:
(A) Equal to load resistance

(B) Less than that of the load
(C) More than that of the load
(D) Zero
ANSWER-A
8 Thevenin’s theorem can be applied to network containing

(A) Passive elements only
(B) Active elements only
(C) Linear elements only
(D) All of these
ANSWER-D

9 Which of the following theorems helps in simplifying computations when the load across a circuit is varying?
(A) Superposition
(B) Norton’s
(C) Thevenin’s
(D) Maximum power transfer

ANSWER-D
10 When maximum power transfer takes place, the efficiency of power transfer of the circuit is
(A) 100%
(B) 75%

(C) 50%
(D) 25%
ANSWER-C
11 The superposition theorem requires as many circuits to be solved as there are:
(A) Nodes

(B) Sources
(C) Nodes and Sources
(D) Nodes, Sources and Mesh
ANSWER-B

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CITS : WCS - Mechanical - Exercise 9 CITS : WCS - Mechanical - Exercise 9