The passage between the nozzle and the _______________________ is called ‘sprue’ in case of injection moulding?
A. Runner
B. Cylinder
C. Mold
D. None of these
Chemical Engineering Basics
Yield strength of a polycrystalline metal with an average grain size „d’, is proportional to ____________________?
Yield strength of a polycrystalline metal with an average grain size „d’, is proportional to ____________________?
A. d1/2
B. d-1/2
C. d
D. d-1
The behaviour of a metal specimen, which when plastically strained in tension reduces its yield stress in compression and vice versa; is termed as the_______________?
The behaviour of a metal specimen, which when plastically strained in tension reduces its yield stress in compression and vice versa; is termed as the_______________?
A. Work hardening
B. Bauschinger effect
C. Creeg effect
D. Stress recovery effect
Which of the following properties of a solid is not dependent on crystal imperfection ?
Which of the following properties of a solid is not dependent on crystal imperfection ?
A. Ductility
B. Semi-conductivity
C. Melting point
D. Yield stress
While the recrystallisation temperature for pure metals is 0.3 Tm, the same for alloys is equal to ______________ × Tm (where, Tm Melting temperature) ?
While the recrystallisation temperature for pure metals is 0.3 Tm, the same for alloys is equal to ______________ × Tm (where, Tm Melting temperature) ?
A. 0.25
B. 0.45
C. 0.70
D. 0.95
Electrostatic separation of minerals from each other is based on their differences in the following property ?
Electrostatic separation of minerals from each other is based on their differences in the following property ?
A. Densities
B. Magnetic permeabilities
C. Electrical conductivities
D. Hardness
Age hardening is connected with________________?
Age hardening is connected with________________?
A. Babbitt metal
B. Gun metal
C. Stainless steel
D. Duralumin
A compact estimate about the amount of materials handling between various work stations is obtained from the_____________________?
A compact estimate about the amount of materials handling between various work stations is obtained from the_____________________?
A. Gantt chart
B. Bin chart
C. String diagram
D. Travel chart
Methyl orange indicator turns_____________________?
Methyl orange indicator turns_____________________?
A. Orange yellow in alkaline medium
B. Orange yellow in acidic medium
C. Colourless in acidic medium
D. Colourless in basic medium
Sand used to stop the green sand from sticking to the pattern is termed as the ______________ sand?
Sand used to stop the green sand from sticking to the pattern is termed as the ______________ sand?
A. Parting
B. Synthetic
C. Loam
D. Dry