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SSC JE 2019-20 Technical Quiz 40

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Question 1

Which among the following mode of tendering is used by purchase department?

i. Open tendering

ii. Limited tender

iii. Spot tendering

iv. Global tendering

v. Proprietary tender

Question 2

Which among the following information is required for a good estimation?

i. Availability of products

ii. Sources of production, vendor selection

iii. New products and their quality

iv. Prices and the discounts provided for each product

Question 3

A magnetic ring having a cross-sectional area of 40 cm2 with a mean circumference of 120 cm, has a coil of 250 turn a around it. If the total flux produced is 40 m-Wb in the ring. By neglecting the flux leakage calculate the reluctance of the ring of the relative permeability μr = 150.

Question 4

For a magnetically coupled circuit where L1 = 50 mH; L2 = 12 mH, while the mutual inductance m = 15 mH. Calculate the coefficient of coupling between the coil.

Question 5

Which of the following law is based on the conservation of energy?

Question 6

The algebraic sum of the electric currents meeting at a common point is _______.

Question 7

What is the value of Norton resistance (in ) between the terminal A and B for the given Norton’s equivalent circuit?

Question 8

Determine the value of current (in A) through both the resistors of the given circuit.

Question 9

The common material, which is used to make an HRC fuse is

Question 10

The metallic sheath is usually made of
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Apr 12ESE & GATE EE