engineering recuitment HAL Management & Design Trainee Mock Test 2023 Production Engineering (Manufacturing) Metal Casting
Consider the following statements.
(1) Hot chamber machine is used for casting zinc, tin and other low melting alloys
(2) Cold chamber machine is used for die casting of ferrous alloys
(3) Rapid cooling rate in die casting produces high strength and quality in many alloys
Which of these statements are correct?
1
1,2 and 3
2
1 and 2 only
3
2 and 3 only
4
1 and 3 only