A. Brass
B. Mild steel
C. Cast iron
D. Lead
Related Mcqs:
- Out of the following, which will fracture most readity, when hit with a hard hammer ?
A. Brass
B. Bronze
C. German silver
D. Cast iron - Which of the following is prone to cup and cone fracture ?
A. Cast iron
B. Soft brass
C. Round specimen of ductile metal
D. Flat tensile specimen of ductile metal - Water hammer is caused in steam carrying pipelines, because of ______________________?
A. Partial condensation of steam
B. Vibration of the pipeline
C. High degree of superheat of steam
D. Its exposure to torrential rain - Boiling point of water gets lowered at high altitudes (e.g., hills), because ___________________?
A. Temperature is low
B. Atmospheric pressure is low
C. Atmospheric pressure is high
D. None of these - Oxygen cylinders used for autogenous (cutting/welding) purposes are ___________________?
A. Seamless & made of steel
B. Heat treated before use
C. Made by sand casting
D. Welded steel cylinders - Transformation range for ferrous material is the temperature interval during which ___________________ is formed during its heating?
A. Cementite
B. Austenite
C. Martensite
D. Pearlite - In the Bayer’s process, bauxite is digested under pressure using ___________________?
A. H2SO4
B. NaOH
C. NH3
D. HCl - Hot working of lead is carried out at ___________________?
A. 75°C
B. 373°K
C. 150°C
D. Room temperature - When an isolated thermodynamic system executes a process ___________________?
A. Work is done
B. Heat transfer takes place
C. Mass flow occurs across the boundary of the system
D. No chemical reaction takes place within the system - Work hardenable alloy steel used to make the bucket wheel excavators, blades of bulldozers and other earth moving equipments contain iron, carbon and ___________________?
A. Manganese
B. Silicon
C. Nickel
D. Chromium
