Engineering Services Exam- Mechanical Engineering Set 1

The time taken to face a workpiece of 80 mm diameter for the spindle speed of 90 rpm and cross feed of 0.3 mm/rev will be

A feed f for the lathe operation is

The main advantage of the radial drilling machine is that

For the purpose of sampling inspection, the maximum percent defective that can be considered satisfactory as a process average is

Hard automation is also called

The method of CNC programming which enables the programmer to describe part geometry using variables is

Revolving joint of the robot is referred to as

Repairing of a machine consists of 5 steps that must be performed sequentially. Time taken to perform each of the 5 steps is found to have an exponential distribution with a mean of 5 minutes and is independent of other steps. If these machines break down in Poisson fashion at an average rate of 2/hour and if there is only one repairman, the average idle time for each machine that has broken down will be

A portion of the total float within which an activity can be delayed for start without affecting the floats of preceding activities is called

An oil engine manufacturer purchases lubricant cans at the rate of Rs 42 per piece from a vendor. The requirement of these lubricant cans is 1800 per year. If the cost per placement of an order is Rs. 16 and inventory carrying charges per rupee per year is 20 paise, the order quantity per order will be