HPCL EE Mock-Test 6 for ESE & GATE EE Exams

Question 1

The ratio of a man’s age to his son’s age is 4 : 1. The product of their ages is 196. The ratio of their ages after 5 yr will be

Question 2

Select the option in which the numbers share the same relationship as that shared by the given pair of numbers.

7 : 43

Question 3

Select the most appropriate synonym of the given word.

REGALE

Question 4

Terms a, 1, b are in Arithmetic Progression and terms 1, a, b are in Geometric Progression. Find 'a’ and 'b' given a ≠ b.

Question 5

Some letters are given with numbers from 1 to 9. Select the sequence of numbers which arranges the letters into a meaningful word.

Question 6

Select the most appropriate option to fill in the blank.

We were starving so we really ________ when the food finally did arrive.

Question 7

Find the greatest number which will divide 478 and 719 leaving remainders 2 and 5 respectively.

Question 8

Given below are four jumbled sentences. Pick the option that gives their correct order.

P. The location below the earth’s surface where the earthquake starts is called the hypocenter.

Q. An earthquake is what happens when two blocks of the earth suddenly slip past one another.

R. The surface where they slip is called the fault or fault plane.

S. And the location directly above it on the surface of the earth is called the epicenter.

Question 9

Single-phase current source inverter is connected with capacitive load only the waveform of the output voltage across the capacitor for constant source current will be,

Question 10

For High head and low discharge the water turbine used is

Question 11

The type of the circuit shown in figure is

Question 12

A 230 V DC shunt motor has an armature circuit resistance of 0.4 Ω and field resistance of 115 Ω. This motor drives a constant torque load and takes an armature current of 20A at 800 RPM. If motor speed is to be raised from 800 RPM to 1000 RPM, find the resistance that must be inserted in the field circuit. Assume magnetization curve to be a straight line.

Question 13

For the bridge circuit shown in below figure find the value of R and C in a condition when bridge is balanced.

Consider

C₂ = 0.05 μF, R₃ = 20 kΩ

C₄ = 300 pF, R₄ = 1.2 kΩ

Question 14

In the Below system, the magnitude of the fault current (in p.u.) supplied by generator G₁, if a 3-ϕ fault occurs at 11 KV bus bar. Consider the system is under No-load condition and the Base MVA is 15MVA.

G₁: 10 MVA, 11KV, X_d^’’ = 12 %

G₂: 15 MVA, 11KV, X_d^’’ = 10 %

T₁: 8 MVA, 11 KV/66 KV, X = 8 %

T₂: 10MVA, 66KV/11 KV, X = 10 %

Question 15

Which of the following is not a FET parameter?

Question 16

Which of the following controllers acts as high pass filter, and reduces rise time of system?

Question 17

An LTI system has step response (1 – e^–t) u(t). The response for the following input, x(t) at t = 2 is

Question 18

In 8085 microprocessor to complement the higher significant nibble of the accumulator _________ instruction is used.

Question 19

A unity feedback closed loop system has the loop transfer function G(s) =

. The system becomes stable for the range

Question 20

An ideal transformer is having 150 turns primary and 750 turns secondary. The primary coil is connected to a 240 V, 50 Hz source. The secondary winding supplies a load of 4A at lagging power factor of 0.8. What is the power supplied by the transformer to the load?