Which of the following pairs of elements may form an alloy ?
(A) Iron & carbon
(B) Iron & mercury
(C) Platinum & mercury
(D) None of these
Copper has very low________________?
(A) Malleability
(B) Ductility
(C) Tensile strength
(D) Thermal & electrical conductivity
Refined acetic acid storage vessel are made of___________________?
(A) Copper
(B) Aluminium
(C) High carbon steel
(D) Nickel
Mild steel is used for making___________________?
(A) Fish plates
(B) Die block
(C) Channels
(D) Drop forging
Cast irons are generally specified by their_________________?
(A) Carbon content
(B) Tensile strength
(C) Hardness
(D) Manufacturing process
Soap kettle used in the production of laundry soap is made of____________________?
(A) Steel with top section nickel clad or stainless steel
(B) Cast iron
(C) Nickel
(D) Concrete
Presence of nickel in steel improves its_________________?
(A) Corrosion resistance
(B) Cutting ability
(C) Wear resistance
(D) All
Rubber lined pumps can be used to pump_________________?
(A) Caustic soda
(B) Chlorinated brine
(C) Hypochlorous acid
(D) All
Steel tower used for the storage of oleum________________?
(A) Is lined with lead
(B) Need not be lined
(C) Is lined with rubber
(D) Is lined with acid-proof bricks
Nickel made/clad equipments are suitable for handling________________?
(A) Ammonia (both aqueous & anhydrous)
(B) Fruit juices, milk & its products and caustic soda solution
(C) Nitric acid & hydrochloric acid (concentrated)
(D) Sulphuric acid (concentrated)