📝 [ME] QB ID: 0418 | Essential & Supplementary Elements | Set 15

At what rpm where most of the generator in thermal power plants run?

The conductors that are used for transmitting bulk of power at high voltage are of which of the following type?

There shall be no foundation bolts less that _____.

At ordinary temperature what substance will behave as inert gas and will not react in the combustion process?

Which of the following cycles is ideal for spark-ignition reciprocating engine?

What is the relative humidity when the dew point and dry bulb temperature are equal?

The weight of steel bar reinforcements should be how many times the weight of the foundation?

A precision instrument for measuring very short time intervals.

Which of the following is a laboratory method for the determination of the boiling range of petroleum?

Concrete foundation should have steel bar reinforcements placed vertically and horizontally to avoid _____.

The empirical coefficient e in machine foundation if not given is assumed:

Foundations bolt length should be at least how many times the anchor bolt diameter?

An instrument for measuring the revolutions per minute of a rotating shaft.

A device to measure vertical distances or displacements?

Sag is provided in overheated transmission lines so that:

The string efficiency in an AC system is:

Foundation bolts of specified size should be used and surrounded by a pipe sleeve with an inside diameter of at least how many times the diameter of the anchor bolt?

The statement that the product of the error in the measured determination of a particle’s position and its momentum is of the order of Plank’s constant “h” is known as:

Fuses and circuit breaker do not protect electric motors from:

For a diesel engine’s foundation, in pouring a concrete mixture, it should be poured:

A device used for demonstrating the extreme force exerted by water when it freezes is called:

Which of the following power plant can be installed within the shortest time?

Which of the following item consumes least power?

Which of the following needs highest level of illumination?

For foundations of steam turbine, the concrete mixture should be _____.

Concrete foundations should have steel bar reinforcements placed both vertically and horizontally to avoid:

Foundation bolts of specified size should be used and surrounded by a pipe sleeve with a length of at least how many times the diameter of the bolt?

The steam turbine foundation should be designed to support the machine load plus how many percent for impact, condenser load, floor loads and dead loads?

When the conductor is suspended between two supports at the same level its shape becomes:

Which of the following draft rely on the stack effect to draw off combustion gases?

Transient disturbances are due to:

Fans located before the furnace that are used to supply air for burning:

Turn around efficiency of battery energy storage system is about:

Most of the generators in thermal power plants run at:

Forced draft fans are run at relatively high speeds in the range of:

In guyed steel stacks, the angle between wires in a set of 3 is:

Guys are usually applied in how many sets?

Chimneys that rely on natural draft are sometimes reffered to as:

Fuses and circuit breakers do not protect electric motors from:

Corona generally results in:

Force draft fans create a positive pressure of:

The phenomenon of physical adhesion of molecules of the surfaces of solids without chemical reaction is:

Fans that are used to draw combustion products through the furnace bed, stack and pollution control system by injecting air into the stack after combustion.

An apparatus used for measuring the surface tension of a liquid by recording the force necessary to detach a metal ring from the surface.

What is the clockwork operated device which records continuously the humidity of the atmosphere?

The term used when the static pressure is equal to the atmospheric pressure.

In fluorescent tube circuit, choke acts as a:

Bottoming cycle is quite common in:

In order to keep combustion products inside the combustion chamber and stack system, balanced draft system may actually operate with a slight:

Turnaround efficiency of the battery energy storage system is about:

The static pressure drop due to friction through the boiler and stack.

The lamp that is used for cinema projection is a:

Which of the following is the most highly developed device for confining plasma with magnetic field?

The difference between the theoretical draft loss.

An instrument for the determination of the composition of the gas mixture by measuring variations in the thermal conductivity.

A turbo charger is a part of a:

Which of the following plant has least pollution problem?

In a balanced system the available draft is:

Hydrometer is used to find out:

A device whose function is to pass an information in an unchanged form or in some modified form.

The total pressure supplied by the fan at maximum operating conditions.

Which of the following affects corona?

A pump with capacity Q₁ and head H₁ series with another pump with capacity Q₂ and head H₂. What is the head developed if Q2 is less than Q₁?

Generally, the higher the chimney:

An instrument used for measuring various quantities at a distance.

An apparatus used for determination of the transition point by measuring the temperature at which the vapor pressure of the two modifications become equal.

Modern stacks are seldom built higher than:

A general term for a device that receives information in the form of one or more physical quantities, modifies the information and or its form if required and produces a resultant output signal.

What is the function of a steam separator?

Most stacks are built of height less than:

Which of the following affects corona?

In which of the following systems where Betz law is widely used?

Corona generally results in:

The average flue gas temperature is:

Satellites are powered by:

The coefficient of velocity is approximately:

An engine indicator is generally used to measure what?

For realistic problems, the achievable stack effect probably should be considered to be:

Foundation bolts of specified size should be used and surrounded by a pipe sleeve with an inside diameter of at least how many times the diameter of the anchor bolt?

Guyed stacks seldom exceed:

A ship is powered by:

Which of the following plant is suitable for peak load?

The term ‘critical’ is associated with power plant of the type:

The angle between the stack and the guy wire is usually:

When a conductor is suspended between two supports at the same level its shape becomes:

What is the unit of electromagnetic wave frequency?

Guyed stacks height seldom exceeds:

In the processing section, there is an instrument frequently used to measure the flow rate of fluids. what is the instrument consisting of a vertical passage with variable cross-sectional area, float and a calibrated scale?

The maximum unit pressure of turbine and generator on the reinforced concrete should not exceed:

Foundations should be isolated from floor slabs or building footings by at least how many mm to eliminate transmission of vibration.

Foundation should be designed to support the machine load plus how many % for impact, condenser load, floor load, and dead load?

The term suction units is used with:

An instrument used for measuring evaporation, generally that of water, into the atmosphere.

An instrument for testing the resistance of material to fading when they are exposed to artificial sunlight or ultraviolet light under controlled conditions.

The type of calorimeter in which the specific heat of a specimen is measured by the quantity of ice it melts is the:

An instrument used for determination of the boiling point of water for estimating the altitude above sea level from its known variation with atmospheric pressure.

A unit of work or energy equal to 107 ergs. It is equivalent to the work done by a force of one Newton acting through a distance of one meter.

An electromagnetic device for separating isotopes by electrical sorting of their ions.

A device used for the determination of the specific gravity of a substance by weighing it in air and in water.

Which of the following instruments is NOT used to measure flow rates?

An instrument used to measure the quality of steam is the:

An instrument used to measure the density if gases is known as:

Which of the following is the apparatus used for mixing air with other fluids?

A device that supplies air to an air-injection system is called:

An instrument used for measuring pressure, flow velocity and discharge rate of a fluid flowing in a conduit.

An instrument used for measuring radiant energy especially in the thermal region.

An instrument used to measure the humidity in the air.

An instrument used to measure the specific gravity or relative density of liquids.

An apparatus used for the determination of the concentration of solid or liquid particles dispersed in a gas, such as the density of smoke or fog.

A salimeter reads what?

Which of the following measures the density of salt in the water?

Ebb current refers to:

In power station practice ”spinning reverse” is:

The power supplied to domestic consumers is at 220 volts. This represents:

The conductors that are used for transmitting bulk of power at high voltage are which of the following type?