List of practice Questions

Simplex method is used for:

The integration of CAD and CAM is known as:

A company requires 16,000 units of raw material costing Rs 2 per unit. The cost of placing an order is Rs 100 and the carrying costs are 10% per year per unit of the average inventory. The Economic Order Quantity (EOQ) is:

Order writing in the area of production planning and control is included in the phase of:

Feed drives in CNC milling are provided by:

The power required for turning a mild steel rod is found to be 0.1 kW/cm³/min. The maximum power available at the machine spindle is 4 kW. Assuming a cutting speed of 38 m/min and feed rate of 0.32 mm/rev, the maximum metal removal rate and depth of cut are respectively:

V-block used in the workshop to check:

Sine bar is specified by:

Which of the following is a solid state joining process?

Match List-I with List-II

Choose the correct answer from the options given below:

If a helical spring is halved in length, its spring stiffness remains:

Match List-I with List-II

Choose the correct answer from the options given below:

The DC power source for arc welding has the characteristics \( 3V + I = 240 \), where 'V' is the voltage in volts and 'I' is the current in amperes. For maximum power at the electrode, voltage should be set at:

Match List-I with List-II

Choose the correct answer from the options given below:

During tensile tests on mild steel specimens, the following points are observed:
(A) Elastic limit
(B) Proportionality limit
(C) Yield Point
(D) Fracture point
Choose the correct sequence of observation after the application of loading:

According to maximum shear stress failure theory, yielding in material occurs when:

A body starting with initial velocity zero, moves in a straight line as per the law \( s = 5t^3 - 3t^2 - 5 \) (where \( s \) is distance in meters and \( t \) is time in seconds). The acceleration of the particle after 0.5 seconds will be:

The equation of free vibration of a system is \( X + 36\pi^2 X = 0 \). Its natural frequency is:

The Nusselt number is related to the Reynolds number in laminar and turbulent flows respectively as:

If the kinetic energy of the body with constant mass becomes four times the initial value, then the new momentum will be:

In which one of the following materials the heat energy propagation is minimum due to conduction heat transfer?

An impulse turbine produces 50 kW of power when the blade mean speed is 400 m/s. What is the rate of change of momentum tangential to the rotor?

Match List-I with List-II

List-I (Details of the processes of the cycle)	List-II (Name of the cycle)
(A) Two adiabatic, one isobaric and two isochoric	(I) Diesel
(B) Two adiabatic and two isochoric	(II) Carnot
(C) Two adiabatic, one isobaric and one isochoric	(III) Dual
(D) Two adiabatics and two isothermals	(IV) Otto

Choose the correct answer from the options given below:

In a psychrometric chart, what does a vertical downward line represent?

Gas contained in a closed system consisting of a piston-cylinder arrangement is expanded. Work done by the gas during expansion is 50 kJ. The decrease in internal energy of the gas during expansion is 30 kJ. The heat transfer during the process is equal to: