Brass is an alloy of copper and zinc copper and tin copper, tin and zinc none of

CuriousTab

CuriousTab

Home Aptitude

Discussion

Home ‣ Mechanical Engineering ‣ Engineering Materials See What Others Are Saying!

Correct Answer

copper and zinc

More questions

3. When the air is passed through an insulated chamber having sprays of water maintained at a temperature higher than the dew point temperature of entering air but lower than its dry bulb temperature, then the air is said to be
Options
A. cooled and humidified
B. cooled and dehumidified
C. heated and humidified
D. heated and dehumidified

4. In centreless grinding, work place centre will be
Options
A. above the line joining the two wheel centres
B. below the line joining the two wheel centres
C. on the line joining the two wheel centres
D. at the intersection of the line joining the wheel centres with the work place plane

6. The horizontal thrust offered by the retaining wall on the retained material is (where w = Specific weight of the retained material, h = height of retaining wall, and (?) = Angle of repose of the retained earth)
Options
A.
B.
C.
D.

7. A fuel of cetane number 40 has the same ignition quality as a mixture of
Options
A. 40% cetane and 60% alpha methyl napthalene
B. 40% alpha methyl napthalene and 60% cetane
C. 40% petrol and 60% diesel
D. 40% diesel and 60% petrol

Comments

More in Mechanical Engineering: