Chemical Engineering - Chemical Engineering Basics

31.
Hot extrusion of aluminium is done in the temperature range of __________ °C.
550-600
450-500
350-400
250-300
Answer: Option
Explanation:
No answer description is available. Let's discuss.

32.
Stellite is a __________ material.
ferrous
ceramic
cemented carbide
non ferrous cast alloy cutting tool
Answer: Option
Explanation:
No answer description is available. Let's discuss.

33.
Percentage of argon (by volume) in dry atmospheric air is about
0.09
0.3
0.57
0.94
Answer: Option
Explanation:
No answer description is available. Let's discuss.

34.
An abrupt and sudden fall in the readinp of barometer is an indication of the
storm
rain
clear weather
cold wave
Answer: Option
Explanation:
No answer description is available. Let's discuss.

35.
Steam condenser tubes are made of ad-mirability brass, in which percentage of zinc & copper are __________ respectively.
70 & 30
30 & 70
50 & 50
90 & 10
Answer: Option
Explanation:
No answer description is available. Let's discuss.