List of top Mechanical Engineering Questions

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:

Simplex method is used for:

The critical speed of a rotating shaft depends upon

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:

Match List-I with List-II

Choose the correct answer from the options given below:

Automated Guided Vehicle (AGV) robots can be placed in the category of:

Structural steel forms neck before it breaks. Neck formation starts

Which thermodynamics law predicts correctly the degree of completion of a chemical reaction?

Name of the device that selects between several analog or digital input signals and forwards the selected input to a single output line:

Which of the following describes the function of a sensor?

Using Poisson distribution, the probability that the ace of spades will be drawn from the pack of well-shuffled cards at least once in 104 consecutive trials is

Arrange the following elements of a feedback control loop in the correct order: (A) Actuator (B) Error detection (C) Controller (D) Feedback sensor Choose the correct answer from the options given below:

A Newtonian fluid is defined as the fluid which

Match List-I with List-II

Choose the correct answer from the options given below:

If \( \frac{d}{dx}(y) = y \sin 2x \) and \( y(0) = 1 \), then what is the required solution?

The ratio of is given as \( \frac{E{\lambda}_1 b_2}{E{\lambda}_1 b_1} \) is given as:

A vertical double-acting steam engine develops 75 kW at 250 r.p.m. The maximum fluctuation of energy is 30 percent of the work done per stroke. The maximum and minimum speeds are not to vary more than 1 percent on either side of the mean speed. What is the approximate mass of the flywheel required? If the radius of gyration is 0.6 m.

A can hit a target 3 times in 5 shots, B 2 times in 5 shots, and C three times in 4 shots. All of them fire one shot each simultaneously at the target. What is the probability that at least two shots hit?

Which of the following is a solid state joining process?

If 'A' is the optimistic time, 'B' is the pessimistic time and 'C' is the most likely time of an activity, then the expected time of activity is:

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

Sine bar is specified by:

V-block used in the workshop to check:

For an insulated tip, the fin efficiency is given by