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HPCL EE Mock-Test 4

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Question 1

Abhay and Rohit together can complete a data entry work in 10 days. Abhay’s efficiency is 80% of Rohit’s efficiency and total key strokes in the data entry work are 396000. What is Abhay’s speed in key strokes per hour if they work for 5 hours a day?

Question 2

Direction: In the following question, a part of the sentence is printed in bold. Below the sentence alternatives to the bold part are given at (A), (B) and (C) which may improve the sentence. Choose the correct alternative. In case ‘No improvement’ is needed, your answer is (D).
The interesting tale had its beginning more than fifty years ago.

Question 3

In the following question, select the related letters from the given alternatives.

SKIT : TIKS : : ? : FLAP

Question 4

A metallic solid spherical ball of radius 3 cm is melted and recast into the three spherical balls. The radii of two of these balls are 2 cm and 1.5 cm. What is the surface area (in cm2) of the third ball?

Question 5

Given below are four jumbled sentences. Pick the option that gives their correct order.
P: The human body becomes anaemic because of the deficiency of these red blood cells

Q: Human blood contains many kinds of materials.  

R: But the most common, in all blood types, are red blood cells.

S: It includes white blood cells, red blood cells and platelets.

Question 6

If '+' means '÷'. '-' means '×', '×' means '+' and '÷' means '-', then which of the alternatives is correct ?

Question 7

On the marked price of ₹1,250 of an article, three successive discounts of 5%, 15% and 20% are offered. What will be the selling price (in₹) after all discounts?

Question 8

Direction: Choose the most appropriate option to change the voice (active/passive) form of the given sentence.

The agent had disclosed the secret before it was evening.

Question 9

Buchholz relay is placed:

Question 10

A second-order system represented by state variables has

The value of natural frequency and damping ratio are respectively

Question 11

The gain of an amplifies without feedback is given by A= 1000± 100. The deviation in gain creates 0.2 % of deviation in gain with negative feedback. The feedback factor is

Question 12

In which of the following defects, the density of material increases.

Question 13

The distance between the transmitting antenna and the point where the sky wave is first received after returning to the earth is known as;

Question 14

Which of the following statement about the internal resistance of measuring instrument is true?

Question 15

For 4 pole pair DC generator with total 32 numbers of conductors. The required numbers of Equalizer ring are

Question 16

A DC shunt generator supplies a load of 7.5 kW at 200 V. If the armature resistance is 0.6 Ω and field resistance is 80 Ω, the induced emf will be

Question 17

A circuit designed to increase the level of its input signal is called

Question 18

The full-scale output of an ADC is 20 V. The resolution required to be 15 mV. What is the minimum no. of bits required?

Question 19

Received signal power in FM will ……….., with increase in the transmission bandwidth.

Question 20

Which pitch is defined as number of conductor per pole?
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