For stress relieving, castings are
A.heated to low temperature and furnace cooled
B.heated by flame and air cooled
C.heated to a temperature around melting point and slowly cooled
D.heated in stages and also cooled in stages
Category: Engineeeing Mcqs
Which of the following transducer is preferred for measurements involving sound?
A.Thermocouple
B.Volt box
C.Kundt’s tube
D.Piezoelectric pick up
E.Photoemissive cell
How an executive interprets facts and events in accordance with beliefs and assumptions is best described by his
A.Administrative acuman
B.Managerial philosphy
C.Executive profile
D.Leadership style
E.None of the above
The slenderness rtio of a column is zero when
A.its length is exactly equal to radius of gyration
B.its length is half the radius of gyration
C.total load carried is less than half the dead weight
D.its length is supported on all sides throughout its full length
The kern of a circular section of diameter D is a concentric circular area of diameter
A.3/4 D
B.3/5 D
C.2/3 D
D.D/4
E.D/8
The greatest barrier to communication lies in
A.Technological limitations
B.Human differences
C.Distance
D.Semantic problem
E.All of the above
For same compression ratio and same heat input
A.Otto cycle is more efficient
B.Diesel cycle is more efficient
C.Both are equally efficient
Lewis number plays an important role in problems of
A.heat transfer only
B.mass transfer only
C.simultaneous heat and mass transfer
D.momentum transfer only
