Prepare for the BHEL Artisan (Foundryman) recruitment examination with official previous years' solved questions across Pattern Making, Moulding Sand & Binders, Core Making & Baking, Gating & Risering Systems, Melting Furnaces (Cupola, Induction, Arc), Pouring & Ladle Practice, Casting Defects & Remedies, Metallurgy of Cast Metals (Cast Iron, Steel, Non-Ferrous), and Cleaning & Fettling Operations.
Marking pattern: +1.00 positive, -0.25 negative (Official BHEL Artisan CBT Scheme).
What is the primary purpose of annealing?
Nickel is classified as a:
Which type of pattern is made in two halves for easy removal from the mould?
Carbon dioxide moulding process is commonly used to produce which of the following?
Which shape of sand grains gives high permeability but poor surface finish?
The melting point of pure zinc is approximately:
What is the main purpose of a pouring basin?
The basic composition of core sand is:
Which of the following tools is/are used to remove the core from the casting?
What is a common material used for patterns in hand-operated moulding machines?
The equipment commonly used for grinding, mixing and tempering of moulding sand is called:
Directional solidification can be ensured by:
Which phase is stable only above $723^{\circ}\text{C}$ in the iron-carbon system?
From what do gum boots NOT protect?
The main constituents of green sand are:
Which type of risers is placed at the top of the hot spot and is most effective due to gravity?
In casting, the gate connects the runner to the mould cavity. Which of the following statements about gates is correct?
What is the eutectoid composition in the iron-carbon system?
Which foundry produces castings of small batch sizes like two pieces?
Which of the following is a major advantage of resin bonded sand moulds compared to green sand moulds?
Where is the metal temperature highest in a top gating system?
The term 'tapping' in foundry melting refers to:
Which of the following is a human cause of accidents in a workshop?
What is quality assurance?
Bench moulding is generally used for: