GATE 2021 ME : Toppers Quiz 15 (App update required to attempt this test) for ESE & GATE ME Exams

Question 1

Toggle position is defined as that position in a mechanism when ____.

Question 2

Which statement about impulse turbine is true?

Question 3

A shaft carrying 5 rotors will have following no. of nodes

Question 4

Choose the correct statement:

Question 5

Degree of freedom for rolling with slipping is?

Question 6

Air enters a compressor in a steady flow manner at 140 KPa and 17 °C and leaves it at 350 KPa and 127 °C. During the flow change in enthalpy and kinetic energy are 110.55 kJ/kg and 3.6 kJ/kg respectively. The minimum reversible work input required is ________ kJ/kg.
[Given: Environment temperature is 7 °C], R=0.28 kJ/kg·K

Question 7

A plane wall of 0.2m thickness and 25 W/m-K thermal conductivity is uniformly generating heat within the slab. The slab is exposed to a fluid at 92^oC & the convection heat transfer coefficient between the wall and the fluid is 500 W/m²-K. If the uniform volumetric heat generation within the slab is 0.3 MW/m³, the maximum temperature in the wall is

Question 8

Optimal solution of any linear programming problem is always obtained from____.

Question 9

At point in a body stresses developed are such that σ_x= 140 MPa and σ_y = 60 MPa and the major principle stress is 150 MPa. What is the magnitude of max in-plane shear stress __________ (in MPa).

Question 10

The following table gives the information & data for the activities of a construction project

If indirect cost is Rs. 20/day, After crashing the project to minimum duration the total cost difference is ______Rs

Question 11

A crank and slotted lever mechanism with length of slotted arm as 600mm and length of fixed link as 200mm is used to transverse motion in a shaping machine. If the radius of the crank is 100mm length. Then find the stroke length of the slotted lever mechanism in mm

Question 12

When two gears are mating each other then which of the following statement about gearing profile is TRUE

Question 13

A single point cutting tool with 0°rake angle is used in an orthogonal machining process. At a cutting speed of 180 m/min. the thrust force is 490 N. If the coefficient of friction between the tool and the chip is 0.7, then the power consumption (in kW) for the machining operation is _______

Question 14

At a point in a material there are two direct stresses of 60 MPa tensile and 50 MPa compressive acting at right angles to each other. The greatest principal stress in the material is limited to 125 MPa in tension. What will be maximum shearing stress to which the material can be subjected on the given plane __________.

Question 15

Two castings of the same metal have the same surface area. One castings is in the form of a sphere and the other is a cube. What is the ratio of the solidification time for the sphere to that of the cube?

Question 16

The coordinate of the centre of the Mohr’s circle representing the pure shear stress condition will be

Question 17

According to maximum shear stress, the ratio of maximum shear stress to yield stress is equal to

Question 18

A fluid flowing over a flat plate has dynamic viscosity= 50 × 10^-6 kg/ms , Specific heat= 1 kJ/kgK, Thermal conductivity, 0.05 W/mK, The hydrodynamic boundary layer thickness is 0.4 mm

The thermal boundary layer thickness is

Question 19

A single point cutting tool is designated as

in ORS. The rake angle and principle cutting edge angle is

Question 20

Filler material is essentially used in __________.