A. Acid resistant, brittle and very hard
B. High silicon iron
C. Prone to breakage due to thermal expansion because of its very high co-efficient of thermal
expansion
D. All A., B. and C.
Related Mcqs:
- Cast iron is__________________?
A. Used for making shock resisting parts
B. Manufactured in cupola and is brittle
C. Having compressive strength more than its tensile strength
D. All A., B. & C. - ‘Semi steel’ is__________________?
A. Produced by adding 10-20% steel to the cupola charge
B. Stronger than cast iron
C. Both A. and B.
D. Neither A. nor B. - When iron is rusted, it is__________________?
A. Converted to a fine powder
B. Reduced
C. Oxidised
D. None of these - The material of construction of bearings is__________________?
A. Cast iron
B. Babbitt metal
C. Pig iron
D. Steel - For handling sulphuric acid of 95% strength, the suitable material of construction for pipes is__________________?
A. Stainless steel
B. Cast iron
C. Aluminium
D. Nickel - Metalloid is__________________?
A. Highly electronegative in nature
B. An element which exhibits the properties of both metal & non-metal
C. An alloy
D. All A., B. and C. - Most suitable material for high pressure vessel operating at 500 atm. and 500° C is__________________?
A. Molybdenum stainless steel
B. 18/8 stainless steel
C. Mild steel
D. High silicon iron (14% Si) - The material of construction of pressure mills used for squeezing out the juice from sugar cane is__________________?
A. Stainless steel
B. Cast iron
C. Mild steel
D. Monel - Percentage of silver in German silver is__________________?
A. 5
B. 10
C. 20
D. 0 - Most suitable material of construction for the storage of concentrated nitric acid is__________________?
A. Cast iron
B. Monel
C. Karbate
D. Aluminium or chromium alloys (Cr > 18% for cold acid)