Welcome to your UPDA Electrical Engineering Exam Mock Test - 1
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In the receiver of a wireless system, we must amplify the received signal using:
Transformer saturation not only means the flux density cannot increase; it also has the unfortunate consequence of a sudden decrease in inductance. ... That is, when the transformer reaches saturation, a large current flows. This is the reason when transformer saturation is a problem in power supply design. So it reduces efficiency by resulting high no load losses.
An ideal flow of any fluid must fulfill the following
Main cause of Humming in electrical transformer is the Magnetostriction Effect. Magnetostriction is a second source of vibration, in which the core iron changes shape minutely when exposed to magnetic fields.
When the flow parameters at any given instant remains same at every point, then flow is said to be
Which circuit breaker in commonly used in the distribution level?
Which of the following methods may be used to convert A.C. system to D.C:
The value of mass density in kgsecVm4 for water at 0°C is
Which of the following methods may be used to convert A.C. system to D.C:
Which of the following is not one of the steps in the risk management process??
Specific weight of water in S.I. units is equal to
In the receiver of a wireless system, we must amplify the received signal using:
The volumetric change of the fluid caused by a resistance is known as
The specific weight of water is 1000 kg/m"
An ideal transformer is an imaginary transformer which has. - no copper losses (no winding resistance) - no iron loss in core. - no leakage flux. In other words, an ideal transformer gives output power exactly equal to the input power.
The normal stress in a fluid will be constant in all directions at a point only if
Specific weight of water in S.I. units is equal to
Who is responsible for determining how tasks will be done in a matrix project management structure
Transformer saturation not only means the flux density cannot increase; it also has the unfortunate consequence of a sudden decrease in inductance. ... That is, when the transformer reaches saturation, a large current flows. This is the reason when transformer saturation is a problem in power supply design. So it reduces efficiency by resulting high no load losses.
Mercury does not wet glass. This is due to property of liquid known as
The value of mass density in kgsecVm4 for water at 0°C is
Which circuit breaker in commonly used in the distribution level?
An underground sytem is built for a military marine sytem with a normal voltage level. A following fault analysis design the insulation is most nearly the voltage level for which the insulation on the distribution sytem is designed
The heat loss inside a straight conductor is 60J upon applying current I for 5s. If the resistance of the conductor is decrease to half, and the same current is applied for 5s, what will be the heat dissipation?
. An object having 10 kg mass weighs 9.81kg on a spring balance. The value of 'g' at this place is
The value of mass density in kgsecVm4 for water at 0°C is
An ideal flow of any fluid must fulfill the following
Open circuit test on transformers is conducted to determine.
Which of the following methods may be used to convert A.C. system to D.C:
Who is responsible for determining how tasks will be done in a matrix project management structure
When the flow parameters at any given instant remains same at every point, then flow is said to be
In the receiver of a wireless system, we must amplify the received signal using:
The volumetric change of the fluid caused by a resistance is known as
Which circuit breaker in commonly used in the distribution level?
Open circuit test on transformers is conducted to determine.
The heat loss inside a straight conductor is 60J upon applying current I for 5s. If the resistance of the conductor is decrease to half, and the same current is applied for 5s, what will be the heat dissipation?
An ideal flow of any fluid must fulfill the following
Which of the following methods may be used to convert A.C. system to D.C:
Who is responsible for determining how tasks will be done in a matrix project management structure
Open circuit test on transformers is conducted to determine.
In the receiver of a wireless system, we must amplify the received signal using:
Main cause of Humming in electrical transformer is the Magnetostriction Effect. Magnetostriction is a second source of vibration, in which the core iron changes shape minutely when exposed to magnetic fields.
- I = 5 Cos wt + 2 Cos wt, R=3 Ohms, Find the wattage:
The volumetric change of the fluid caused by a resistance is known as
The volumetric change of the fluid caused by a resistance is known as
Transformer saturation not only means the flux density cannot increase; it also has the unfortunate consequence of a sudden decrease in inductance. ... That is, when the transformer reaches saturation, a large current flows. This is the reason when transformer saturation is a problem in power supply design. So it reduces efficiency by resulting high no load losses.
Who is responsible for determining how tasks will be done in a matrix project management structure
Transformer saturation not only means the flux density cannot increase; it also has the unfortunate consequence of a sudden decrease in inductance. ... That is, when the transformer reaches saturation, a large current flows. This is the reason when transformer saturation is a problem in power supply design. So it reduces efficiency by resulting high no load losses.
An ideal transformer is an imaginary transformer which has. - no copper losses (no winding resistance) - no iron loss in core. - no leakage flux. In other words, an ideal transformer gives output power exactly equal to the input power.
Which circuit breaker in commonly used in the distribution level?
Open circuit test on transformers is conducted to determine.
Density of water is maximum at
The total electric flux through any closed surface surrounding charges is equal to the amount of charge enclosed:
When the flow parameters at any given instant remains same at every point, then flow is said to be
The pressure at a point in a fluid will not be same in all the directions when the fluid is
An ideal flow of any fluid must fulfill the following
The volumetric change of the fluid caused by a resistance is known as
An ideal transformer is an imaginary transformer which has. - no copper losses (no winding resistance) - no iron loss in core. - no leakage flux. In other words, an ideal transformer gives output power exactly equal to the input power.
Specific weight of water in S.I. units is equal to
The heat loss inside a straight conductor is 60J upon applying current I for 5s. If the resistance of the conductor is decrease to half, and the same current is applied for 5s, what will be the heat dissipation?
Mercury does not wet glass. This is due to property of liquid known as
An ideal flow of any fluid must fulfill the following
An ideal transformer is an imaginary transformer which has. - no copper losses (no winding resistance) - no iron loss in core. - no leakage flux. In other words, an ideal transformer gives output power exactly equal to the input power.
The pressure at a point in a fluid will not be same in all the directions when the fluid is
The tendency of a liquid surface to contract is due to the following property
