# GATE Mechanical Engineering Online Mock Test

GATE Mechanical Engineering Online Mock Test Online Free. This mock test having 25 questions in each subjects, with four choices. On each click on answers system will tell you where the answers is correct or incorrect. You can view this GATE ME test question details at the end of the quiz.

GATE 2017 :Mechanical Engineering questions answers are applicable for any kind of ME Entrance preparation or PSU Competitive Exam in India. You can practice as much as you can to gather knowledge of how to answers GATE ME Exam 2017 critical type papers in short time and this can be a big factor for cracking all India engineering entrance level exam.

## GATE ME Online Mock Test

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 Question 1
In abrasive jet machining, as the distance between the nozzle tip and the work surface increases, the material removal rate
 A increases continuously. B decreases continuously. C decreases. becomes stable and then increases. D increases, becomes stable and then decreases.
 Question 2
During normalizing process of steel, the specimen is heated
 A between the upper and lower critical temperature and cooled in still air. B above the upper critical temperature and cooled in furnace. C above the upper critical temperature and cooled in still air. D between the upper and lower critical temperature and cooled in furnace.
 Question 3
The followin2 are the data for two crossed helical gears used for speed reduction: Gear I : Pitch circle diameter in the plane of rotation 80 iiim and helix angle 30° Gear II: Pitch circle diameter in the plane of rotation 120 mm and helix angle 215° If the input speed is 1440 rpm. the output speed in rpm is
 A 1200 B 900 C 875 D 720
 Question 4
A thin walled spherical shell is subjected to an internal pressure. If the radius of the shell is increased by 1% and the thickness is reduced by 1%. with the internal pressure remaining the same. the percentage change iii the circumferential (hoop) stress is
 A 0 B 1 C 1.08 D 2.02
 Question 5
The area enclosed between the straight line y = x and the parabola y = x2 in the x-y plane is
 A 1/6 B 1/4 C 1/3 D 1/2
 Question 6
Which one of the following is NOT a decision taken during the aggregate production planning stage?
 A Scheduling of machines B Amount of labour to be committed C Rate at which production should happen D Inventory to be carried forward
 Question 7
15 A CNC vertical milling machine has to cut a straight slot of 10 mm width and 2 mm depth by a cutter of 10 mm diameter between points (0. 0) and (100. 100) on the XY plane (dimensions in mm). The feed rate used for milling is 50 mm/mm. Milling time for the slot (in seconds) is
 A 120 B 170 C 180 D 240
 Question 8
A solid cylinder of diameter 100 mm and height 50 mm is forged between two frictionless flat dies to a height of 25 mm. The percentage change in diameter is
 A 0 B 2.07 C 20.7 D 41.4
 Question 9
Which one of the following configurations has the highest fin effectiveness?
 A Thin, closely spaced fins B Thin, widely spaced fins C Thick, widely spaced fins D Thick, closely spaced fins
 Question 10
A circular solid disc of uniform thickness 20 turn. radius 200 mm and mass 20 kg. is used as a flywheel. If it rotates at 600 rpm. the kinetic energy of tile flywheel. in Joutles is
 A 395 B 790 C 1580 D 3160
 Question 11
For a long slender column of uniform cross section, the ratio of critical buckling load for the case with both ends clamped to the case with both ends hinged is
 A 1 B 2 C 4 D 8
 Question 12
In a single pass drilling operation, a through hole of 15 mm diameter is to be drilled in a steel plate of 50 mm thickness. Drill spindle speed is 500 rpm. feed is 0.2 mm/rev and drill point angle is 118°. Assuming 2 mm clearance at approach and exit, the total drill time (in seconds) is
 A 35.l B 32.4 C 31.2 D 30.1
 Question 13
An incompressible thud flows over a flat plate with zero pressure gradient. The boundary layer thickness is 1 mm at a location where the Reynolds number is 1000. If the velocity of the fluid alone is increased by a factor of 4. then the boundary layer thickness at the same location,  in mm will be
 A 4 B 2 C 0.5 D 0.25
 Question 14
A room contains 35 kg of dry air and 0.5 kg of water vapor. The total pressure and temperature of air in the room are 100 kPa and 25°C respectively. Given that the saturation pressure for water at 25°C is 3.17 kPa. the relative humidity of the air in the room is
 A 67% B 55% C 83 % D 71%
 Question 15
In a single pass rolling process using 410 mm diameter steel rollers, a strip of width 140 mm and thickness 8 mm undergoes 10 % reduction of thickness. The angle of bite in radians is
 A 0.006 B 0.03 1 C 0.062 D 0.600
 Question 16
A solid circular shaft needs to be designed to transmit a torque of 50 ?drn. If the allowable shear stress of the material is 140 MP,. assyming a factor of safety of 2. tile minimum allowable design diameter ni mm is
 A 8 B 16 C 24 D 32
 Question 17
A box contains 4 red balls and 6 black balls. Three balls are selected randomly from the box one after another. without replacement. The probability that the selected set contains one red ball and two black balls is
 A 1/20 B 1/12 C 3/10 D 1/2
 Question 18
The exit temperature of the air is
 A )516K B 532K C 484K D 468K
 Question 19
The exit area of the nozzle in Cm2 S
 A 90.1 B 56.3 C 4.4 D 12.9
 Question 20
Choose the most appropriate alternative from the options given below to complete the following sentence: Suresh’s dog is the one _______ was hurt in the stampede.
 A that B which C who D whom E All of thease
 Question 21
The cost function for a product in a firm is given by 5q. where q is the amount of production. The firm can sell the product at a market price of r O per unit. The number of units to be produced by the firm such that the profit is maximized is
 A 5 B 10 C 15 D 25
 Question 22
Choose the most appropriate alternative from the options given below to complete the following sentence: Despite several the mission succeeded in its attempt to resolve the conflict.
 A attempts B setbacks C meetings D delegations
 Question 23
Which one of the following options is the closest in meaning to the word given below? Mitigate
 A Diminish B Divulge C Dedicate D Denote
 Question 24
Choose the grammatically INCORRECT sentence:
 A They gave us the money back less the service charges of Three Hundred rupees. B This country’s expenditure is not less than that of Bangladesh. C The committee initially asked for a finding of Fifty Lakh rupees. but later settled for a lesser sum. D This country’s expenditure on educational reforms is very less.
 Question 25
Given the sequence of terms. AD CG FK JP. the next term is
 A OV B OW C PV D PW
 Question 26
An automobile plant contracted to buy shock absorbers from two suppliers X and Y. X supplies 60°/o and Y supplies 40% of the shock absorbers. All shock absorbers are subjected to a quality test. The ones that pass the quality test are considered reliable. Of X’s shock absorbers. 96% are reliable. Of Y’s shock absorbers. 72°/a are reliable. The probability that a randomly chosen shock absorber. which is found to be reliable, is made by Y is
 A 0.288 B 0.334 C 0.667 D 0.72
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