23651. Which of the following thermometers is not suitable for distant reading upto 60 metres?
23652. Degree to which an instrument indicates the changes in measured variable without dynamic error is called its
23653. Thermistors are made of
23654. A barometer measures the __________ pressure.
23655. Humidity of air can be determined by a
23656. Thermocouple in a thermal well behaves as a true
23657. The transfer function for a P-D controller is
23658. Bode diagram is a plot of
23659. Working principle of disappearing filament type optical pyrometer is based on the
23660. Strain gage uses an electrical conductor wire, which when elastically stretched increases in length and reduces in diameter. Both these dimensional changes result in __________ in the electrical resistance of the wire.
23661. The ‘Pattini Jatha’ was organized by
23662. Range of hydrogen gas constant volume themometer is __________ °C.
23663. The initial value (t=0) of the unit step response of the transfer function [(s + 1)/(2s + 1)] is
23664. The __________ of a vapor pressure thermometer is a primary element.
23665. The time constant of a first order process with resistance R and capacitance C is
23666. A sinusoidal variation in the input passing through a linear first order system
23667. Nitrogen gas constant volume thermometer is suitable for measuring a temperature of __________ °C.
23668. Alauddin Khilji introduced market reforms?
23669. Pick out the most suitable instrument for measuring temperature in the range of-40 to 425°C.
23670. Accurate temperature measurement performance of a radiation pyrometer can not be affected, if the
23671. Relationship between absorption/evolution of heat at the thermocouple junctions and the current flow in the circuit is given by __________ effect.
23672. Configuration of Bourdon spring tube is never made of __________ shape.
23673. Thermodynamic celcius scale of temperature measurement is
23674. According to Bode stability criterian, a system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at frequency for which phase lag is
23675. In a closed loop system, the process to be controlled is an integrating process with transfer function l/2s. The controller proposed to be used in an integral controller with transfer function 1/T1s. When a step change in set point is applied to such a closed loop system, the controlled variable will exhibit
23676. Who was the first Indian king to lay the foundation of an efficient administrative system?
23677. Measurement of pressure in ammonia reactor is done by
23678. The fluid used in hydraulic controller is
23679. Flow rate of a river is measured by a/an
23680. Which of the following thermocouple materials does not contain nickel ?
23681. Flow rate of those fluids which are insensitive to changes in their density, viscosity or flow velocity profile can be best measured by a
23682. Identify an unbounded input from inputs whose transfer functions are given below
23683. "A control system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at the crossover frequency." This is __________ criterion.
23684. Feed forward controller accounts for the __________ changes.
23685. Which thermocouple can be used to measure a temperature of around 1400°C ?
23686. Which of the following filled system expansion thermometer has the capability to measure the lowest temperature ?
23687. Concentration of sugar solution can be determined by the
23688. In a single tank system, the transfer function of __________ to inlet flow rate is 1/TS+1.
23689. Which of the following can not measure a temperature of 1600°C ?
23690. The temperature range for which copper resistance thermometer can be used is __________ °C
23691. Paramagnetism method is not used for the composition determination of __________ in gases.
23692. An amplitude ratio of 0.1 corresponds to __________ decibels.
23693. For increased speed of response of an expansion pressure spring thermometer, the thermometer bulb should have a
23694. Pressure of 0.0001 absolute psi can be measured by __________ gauge.
23695. Pirani gauge is used for the measurement of
23696. The __________ of the fluid contained in the temperature sensing element (i.e., bulb) of filled system thermometers changes with change in temperature.
23697. Transfer functions X/Y for which of the following block diagrams is
23698. The characteristic equation for the control system with a closed loop transfer function G1/1 + G2 is given by 1 + G2 = 0. The characteristic equation for the control system
23699. __________ thermometer can not measure sub-zero (< 0° C) temperature,
23700. Starting temperature of optical radiation pyrometer is __________ °C.