A. Ductile material
B. Hard materials
C. Brittle materials
D. Finishing cuts
✅ The correct answer is option A.
Engineering MCQs
In radiative heat transfer, a grey surface is the one, which has
A. Emissivity independent of wavelength
B. Grey appearance to the eye
C. Zero reflectivity
D. Equal brightness in all directions
✅ The correct answer is option A.
The preferred alloying element for low temperature applications of steel is
A. Cr
B. N
C. Mo
D. Ni
✅ The correct answer is option D.
The most commonly used material for sewers for carrying sewage in the normal situation is
A. Asbestos cement
B. Stainiess steel
C. Stoneware
D. Cast iron
✅ The correct answer is option C.
Out of the following, which will fracture most readity, when hit with a hard hammer ?
A. Brass
B. Bronze
C. German silver
D. Cast iron
✅ The correct answer is option D.
Which of the following is the largest quantum of pressure?
A. 1 kg/cm²
B. 1 bar
C. 1 atmosphere
D. 1 kilo Pascal
✅ The correct answer is option C.
Material having negative co-efficient of linear expansion is
A. Copper
B. Aluminium
C. Rubber
D. Nickel
✅ The correct answer is option C.
Primary designation of steel is based on its
A. Hardness & tensile strength
B. Carbon content
C. Iron content
D. Alloying elements content
✅ The correct answer is option D.
Stellite is a trade name for the
A. Cermets
B. Ferrous cast alloys
C. Non-ferrous cast alloys
D. Products made by powder metallurgy techniques
✅ The correct answer is option C.
In case of condensers & evaporators operating under given terminal conditions, LMTD (logarithmic mean temperature difference) for counter flow as compared to that for parallel flow is
A. More
B. Less
C. Equal
D. Much more
✅ The correct answer is option C.