A. Injection moulded
B. Cast molded
C. Extruded
D. None of these
Related Mcqs:
- Thermosetting resins are those polymers, which__________________?
A. Do not increase in plasticity with rise in temperature
B. Allow slip to occur between molecules
C. Do not take on a permanent set
D. None of these - Thermoplastic resins are those polymers, which____________________?
A. Has decreased plasticity at increasing temperature
B. Cannot be moulded
C. Easily deform under pressure at high temperature
D. None of these - Plasticisers are added to polymers to improve their____________________?
A. Tensile strength
B. Softness & flexibility
C. Acid resistance
D. Alkali resistance - Lead lined equipments & vessels are suitable for handling __________________?
A. Hydrochloric acid (10%)
B. Nitric acid
C. Sulphuric acid upto 60°C
D. All A., B. and C. - Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with__________________?
A. Acidic refractory
B. Rubber
C. Karbate
D. Lead or acid-proof bricks - Which of the following finds the least commercial use ?
A. Pure iron
B. High silicon iron
C. Low carbon steel
D. High carbon steel - Mild steel is a/an ______________ steel?
A. Low carbon
B. Medium carbon
C. High carbon
D. High alloy - Maximum carbon content in any variety of steel can be upto 1.3%. Steel containing 0.4% Carbon is not used for making___________________?
A. Nuts
B. Bolts
C. Chisels
D. Studs - Clock pendulums are usually made of _______________ steel?
A. High speed
B. Stainless
C. Heat resisting
D. None of these - Constantan used in thermocouples is an alloy of___________________?
A. Iron & copper
B. Copper & aluminium
C. Lead & tin
D. None of these
