GATE 2021 ME : Toppers Quiz 14

A circular disc of radius r rolls without slipping at velocity v. The magnitude of velocity at topmost point is

A man goes from A to B at V₁ speed return from B to A at V₂ speed, find Average Speed

The chemical formula for R-134 is:

If the moment of inertia about the centroidal axis of a circular cross section is known, then its polar moment of inertia can be calculated using

The minimum temperature achieved by a desert cooler is?

Equivalent resistance of the thermal circuit given in the figure _________.

Design a side cylindrical riser to feed a cubical casting of 20 cm side. Taking shrinkage of material as 6%, then radius of the riser is ___________mm (consider riser volume to be at least 3 times the shrinkage volume)

In a transportation problem, the materials are transported from 4 plants to 6 warehouses. The basic feasible solution must contain exactly, which one of the following allocated cells ?

A bracket (shown in figure) is rigidly mounted on wall using four rivets. Each rivet is 6mm in diameter and has an effective length of 12mm.

Direct shear stress (in MPa) in the most heavily loaded rivet is

Which of the following sheet metal operation induced only compressive stresses in the part?

Match the differentials in list 1 with the corresponding differentials in list 2

List-1

A). 

B).  

C).  

List-2 
1) .  − 

2). 

3). 

The size of the lathe is expressed by which of the following?

Match List-1 (Properties) with List-2(Type)

List-1

(1). Density

(2). Refractive index

(3). Internal energy

(4). Specific enthalpy

List-2

(A). Intensive

(B). Extensive