Chapter 8 · MCQ Read Mode

Industrial Engineering and Automation

Precision of an instrument refers to:

A set of readings that are closely grouped but far from the true value indicates:

Random errors in measurement can be minimised by:

The standard reference temperature for dimensional measurements is:

Which instrument obeys Abbe's principle?

Slip gauges are examples of:

The process of joining slip gauges by sliding them together with light pressure is called:

A 200 mm sine bar is set with slip gauges of 100 mm height. The angle set is:

According to Taylor's principle, a GO gauge should check:

An autocollimator is used for measuring:

Calibration of an instrument means:

Acceptance tests on machine tools were systematised by:

Which of the following is an active (self-generating) transducer?

An LVDT is used to measure:

A piezoelectric pressure transducer is suitable for:

Pressure gauges are usually calibrated using a:

An electromagnetic flowmeter works on:

Electromagnetic flowmeters can be used only for liquids that are:

A flowmeter that directly measures mass flow rate is the:

A thermocouple works on the:

A Pt100 RTD has a resistance of 100 Ω at:

For measuring the temperature of molten metal without contact, the suitable instrument is a:

The gauge factor of a strain gauge is defined as:

Which actuator is best suited for very high force in heavy earth-moving equipment?

The number of SI base units is:

Slip gauges and end bars are examples of:

Compared with line standards, end standards are:

For a normal distribution of errors, the percentage of readings within ±2σ of the mean is about:

If a quantity is calculated as the product of two measurements with errors of 1% and 2%, the maximum error in the result is:

The smallest input change from zero that produces a detectable output is called:

The difference in output when the same input is approached from increasing and decreasing directions is:

A potentiometric displacement sensor is an example of a:

A mercury-in-glass thermometer behaves as a:

A first-order instrument reaches what percentage of its final value in one time constant after a step input?

A U-tube manometer is an example of a:

Most measuring instruments are designed with a damping ratio of about:

A production system producing very large quantities of a standardised product on dedicated lines is:

Construction of a hydropower dam is an example of:

A layout in which similar machines are grouped together according to function is:

Ship building generally uses:

In Muther's relationship chart, the closeness code 'X' means:

A plant must produce 480 units in an 8-hour shift. The cycle time is:

Total work content is 40 minutes and cycle time is 10 minutes. The theoretical minimum number of workstations is:

The material handling principle 'move materials in the largest practical quantity' is the:

Material handling equipment that follows a variable path is:

The PPC function that determines the path and sequence of operations is:

The PPC function concerned with releasing orders and issuing documents to start work is:

The sequencing rule that minimises the average flow time of jobs on a single machine is:

Annual demand is 1,000 units, ordering cost Rs 50 per order and carrying cost Rs 1 per unit per year. The EOQ is:

At the economic order quantity:

If annual demand D is multiplied by 4 (other things constant), the EOQ becomes:

Lead time in inventory control is the time between:

Daily usage is 20 units, lead time 5 days and safety stock 40 units. The reorder point is:

Safety stock is maintained mainly to:

In ABC analysis, class A items typically represent:

Classification of spare parts according to their criticality is called:

FSN analysis classifies inventory on the basis of:

A forecasting method that obtains anonymous opinions from a panel of experts in several rounds is:

With exponential smoothing, α = 0.3, last forecast 200 and actual demand 250, the next forecast is:

The mean absolute deviation (MAD) of forecast errors is:

The ratio of brake power to indicated power of an engine is its:

An engine consumes 10 kg/h of fuel (CV = 42,000 kJ/kg) and develops 35 kW brake power. Its brake thermal efficiency is:

Volumetric efficiency of an engine can exceed 100% when:

In engine testing, an air box with an orifice is used to:

The Morse test is used to determine the:

Willan's line method of finding friction power is applicable to:

In a heat balance of an IC engine, the largest heat loss is usually to the:

The thermostat in a water-cooled engine:

Knocking in an SI engine is caused by:

Ignition of the charge by a hot carbon deposit before the spark occurs is called:

Which factor REDUCES knock in a CI engine but INCREASES knock in an SI engine?

In a carburettor, the choke valve is used to:

In a common-rail diesel injection system: