GATE Semi Syllabus Quiz 2 (App update required to attempt this test) for ESE & GATE ME Exams

Question 1

Match list – 1 (Defects) with list – 2 (causes) and select the correct answer using the codes given below

Question 2

Two cutting tools with tool life equations given below are being compared:
Tool 1:

Tool 2:

Where V is cutting speed in m/minute and T is tool life in minutes. The breakeven cutting speed beyond which Tool 2 will have a higher tool life is ________ m/minute.

Question 3

In a sheet metal of 2 mm thickness a hole of 10 mm diameter needs to be punched. The yield strength in tension of the sheet material is 100 MPa and its ultimate shear is 80 MPa. The force required to punch the hole (in kN) is______

Question 4

Which of the following G codes is used to move tool in circular rotation and in anticlockwise manner?

Question 5

A shaft of size

mm mate with hole of size

mm then maximum possible clearance (in mm )in the assembly will be______.

Question 6

A strip is to be rolled from a thickness of 60mm to 40 mm using a two high mill having rolls of diameter 600 mm, the coefficient of friction for unaided bite angle nearly be

Question 7

The advantages of the dielectric used in Electrical discharge machining are:

Question 8

In a single-cylinder reciprocating engine, the mass of reciprocating parts is 55 kg and the mass of revolving parts is 30 kg. The speed of the engine is 200 rpm and the stroke length is 300 mm. If 65 % of the reciprocating parts and all the revolving parts are to be balanced then the required balance mass at a radius of 270 mm is ___ kg.

Question 9

A link OB is rotating with an angular velocity of 4 rad/s and constant acceleration of 2 rad/s² respectively in clockwise direction. The block is sliding radially outward on it with a uniform velocity of 1 m/s with respect to rod. The magnitude of absolute acceleration (in m/s²) of the block at an instant when OA = 1 m is

Question 10

The turbine rotor of a ship has a mass of 5000 kg and its radius of gyration is 500 mm. The turbine rotor rotates at 1500 rpm in counter-clockwise direction view from stern side. If the ship travels at a speed of 90 km/h and steer to the left in a curve of 100 m then the gyroscopic couple on the ship and its effect respectively are

Question 11

A homogeneous solid disc of mass M and radius r is connected to a spring (spring constant =K) at a point a above the centre of the disc on an inclined plane as shown in figure. The other end of the spring is fixed to the vertical wall. If the disc rolls without slipping then the natural frequency of the spring in rad/s is

Question 12

A disc clutch is required to transmit 10 kW at 1500 rpm. The disk has a friction lining with coefficient of friction equal to 0.4 and inner radius is 30 mm. assume uniform contact pressure of 2 MPa. The value of outside radius of the friction lining is:

Question 13

The ball-bearing has a life of 5000 hrs. The rated load of the bearing is 60kN while the load on the bearing is 9kN. At what speed (rpm) should the journal revolve to last for 5000hrs.

Question 14

A journal bearing of length 60 mm and dia. 60 mm operating at 10 rps carries a load of 5 KN. The lubricant used has a viscosity of 15 mPas, the radial clearance is 50 micron. Calculate sommerfield no. of bearing-

Question 15

A 60 mm long and 6 mm leg of fillet weld carries a steady load of 15 kN along the weld. The shear strength of the weld material is equal to 400 MPa. The factor of safety is______.

Question 16

A body, resting on a rough horizontal plane, required a pull of 200 N inclined at 30 ° to the plane just to move it. It was found that a push of 250 N inclined at 30 ° to the plane just moved the body. Determine the weight of the body.

Question 17

A point mass M is released from rest and slides down a spherical bowl (of radius R) from a height H as shown in the figure below. The surface of the bowl is smooth (no friction). The velocity of the mass at the bottom of the bowl is

Question 18

For the truss shown below, the ratio of magnitudes of forces in member 4 to member 2 will be(assume every member of truss is of 10 m length)

Question 19

Are there enough seats here? There are __________ people here than I expected.

Question 20

The missing number of the series is _____.
13 27 53 ____ 213 427 853