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HPCL ME Mock Test - 6

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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.

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

In case of a ball-bearing, rating load is 110 kN. What will be the approximate rating life (in million revolutions) of the bearing at a load of 9.8 kN?

Question 10

In which type of welding, a pool of molten metal is used?

Question 11

The ratio of torque carrying capacity of solid shaft to that of hollow shaft of same material and of outer diameter equal to diameter of solid shaft is:


Di = inner diameter of hollow shaft

Do = outer diameter of hollow shaft

and τmax = Permissible shear stress for shaft material

Question 12

A Carnot engine operates between 27oC and 327oC. If the engine produces 300 kJ of work, what is the entropy change during heat addition?

Question 13

Match List-I with List-II and select the correct answer using the code given below the list :
A. Capillarity
B. Vapour pressure
C. Viscosity
D. Specific gravity
1) Cavitation
2) Density of water
3) Shear forces
4) Surface tension

Question 14

Reduced pressure is

Question 15

Magnetic forming is an example of

Question 16

The wet bulb depression is zero, when relative humidity is equal to ________.

Question 17

In the case of beams with circular cross-section, what is the ration of the maximum shear stress to average shear stress?

Question 18

Intensity of radiation at a surface in perpendicular direction is equal to:

Question 19

If a load of 40 kN is applied in a compressive manner on a rod whose cross section is 10 mm × 20 mm. Then what will be the compressive stress (in MPa) on the rod?

Question 20

In a reaction turbine the enthalpy drop in a stage is 60 units, the enthalpy drop in the moving blades is 32 units. The degree of reaction is _________.
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