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Browse complete papersWhich material handling equipment would be most suitable for transferring bulk granular materials over a long horizontal distance within a factory?
Belt conveyor system
Pallet truck operation
Forklift transportation
Overhead crane arrangement
Correct answer
Belt conveyor system
Why is facing operation critical for assembly parts?
It improves the cutting tool life during machining operation.
It increases the overall strength of the workpiece material.
It ensures the end surface is flat and perpendicular to the axis.
It reduces the hardness of the material at the surface region.
Correct answer
It improves the cutting tool life during machining operation.
What is the role of the acute angle attachment in a Bevel Protractor?
To measure linear distances
To measure acute angles less than 90°
To adjust the stock
To lock the vernier scale
Correct answer
To measure linear distances
The type of surface produced by a taper turning operation performed on a lathe machine is:
curved one
conical
cylindrical
flat
Correct answer
curved one
A cylindrical steel rod with a diameter of 20 mm is subjected to a tensile load of 40 kN. The material has a yield strength of 450 MPa. Assuming the deformation remains within the elastic limit, calculate the factor of safety based on the ultimate tensile strength and the yield strength. If the modulus of elasticity of the steel is 200 GPa, determine the elongation of the rod over a length of 500 mm under this load. Which of the following options correctly represents the factor of safety based on yield strength and the elongation?
Factor of Safety (Yield) = 2.25, Elongation = 0.318 mm
Factor of Safety (Yield) = 3.58, Elongation = 0.318 mm
Factor of Safety (Yield) = 3.58, Elongation = 0.8 mm
Factor of Safety (Yield) = 2.25, Elongation = 0.5 mm
Correct answer
Factor of Safety (Yield) = 2.25, Elongation = 0.318 mm
A synthetic oil is contained in an accelerating elevator moving upward with acceleration (a). If the pressure intensity at the free surface is atmospheric, the intensity of pressure at a depth (h) below the surface is [take (g) as the acceleration due to gravity]:
Patm + ρgh
Patm - ρ(g−a)h
Patm + ρ(g+a)h
Patm - ρgh
Correct answer
Patm + ρgh
The shape of the bending moment diagram for a cantilever beam subjected to a uniformly distributed load (UDL) over the whole length is _____.
Rectangular
Triangular
Trapezoidal
Parabolic
Correct answer
Rectangular
Which of the following best defines the specific weight of a fluid?
The weight of fluid per unit mass
The weight of fluid per unit pressure
The weight of fluid per unit volume
The weight of fluid per unit force
Correct answer
The weight of fluid per unit mass
During the 'Shaping' operation conducted on a workpiece of aluminum material, the type of coolant used is:
mineral hard oil
kerosene
dry kerosene turpentine
cutting compound
Correct answer
mineral hard oil
Intensity of pressure at a point in a fluid is:
Pressure at a point varies significantly with direction even in a static fluid
Total normal force acting uniformly over a surface, independent of area and location within the fluid
Pressure includes both normal and shear stresses acting simultaneously at a point
Normal force per unit area at a point in the fluid, scalar intensity independent of direction
Correct answer
Pressure at a point varies significantly with direction even in a static fluid