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HPCL EE Mock-Test 3

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Question 1

In the sentence identify the segment which contains the grammatical error. If the sentence has no error, then select 'No error'.

Having lived in Kerala for ten years, my friend is used to speak Malayalam with his friends.

Question 2

Select the option that is related to the fifth term in the same way as the second term is related to the first term and the fourth term is related to the third term.
724 : 18 : : 361 : 19 :: 583 : ?

Question 3

Amit was born 5 years before Rakesh. Rakesh is 3 years younger to Anil. If Amit is now 17 years old, how old is Anil?

Question 4

If length and breadth of a rectangle are increased by 15% and 20% respectively, then what will be the percentage increase in area

Question 5

Direction: Select the most appropriate option to fill in the blank.

India will ____ arch-rival Pakistan in the finals.

Question 6

Introducing Anmol, Boman says, "She is the wife of the only nephew of the only brother of my mother and she has no sisters." How Anmol is related to Boman?

Question 7

When operated separately, pipe A takes 5 hours less than pipe B to fill a cistern, and when operated together, the cistern gets filled in 6 hours. In how much time (in hours) will pipe A fill the cistern, if operate separately?

Question 8

From a point P on the ground the angle of elevation of the top of a 10 m tall building is 30º. A flag is hoisted at the top of the building and the angle of elevation of the top of the flagstaff from P is 45º. Find the length of the flagstaff? (Take √3 = 1.732)

Question 9

Meggar is an instrument to measure

Question 10

For intrinsic semiconductor hall coefficient is__

Question 11

A thermal generating station has an installed capacity of 20 MW and supplies a daily load of 15MW for 12 hours and 10 MW for remaining 12 hours. The plant capacity factor for this station is

Question 12

The process in which the signal is first compressed before modulation and expanded after demodulation so as to allow the use of a uniform quantizing rate is known as

Question 13

How many comparators are required to design an n-bit flash type ADC?

Question 14

The degree of humming level of the noise caused in the transformers may be reduced by

Question 15

What is the topology of given circuit ?

Question 16

If the vector  represents a magnetic field, the value of constant k must be

Question 17

When the field circuit of an unloaded salient pole synchronous motor gets suddenly open circuited, then _________.

Question 18

An Electrodynamic meter can be used to measure :

Question 19

A 50 Hz, 11 kV, 3-ϕ alternator with 10 Ω reactance in neutral is connected to a bus bar through a circuit breaker. The distributed capacitance upto circuit breaker between the phase and neutral is 0.05μf. The peak restriking voltage across the contacts of breaker is _____?

Question 20

A 20 KVA 1-ϕ step down transformer has a full secondary current of 100 A. The effective resistance referred to secondary side is 0.2 Ω and the iron loss of the transformer is 700 W. The efficiency of the transformer at half load 0.8 power factor will be
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Aug 7ESE & GATE EE