Bar is a unit of which one of the following? (1) Force (2) Energy (3) Pressure (4) Frequency

Bar is a unit of which one of the following? (1) Force (2) Energy (3) Pressure (4) Frequency
by

1 Answer

Answer :

(3) Pressure Explanation: The bar is a unit of pressure defined as 100 kilopascals. It is about equal to the atmospheric pressure on Earth at sea level.
by
selected

Related questions

Unit for pressure used in weather maps is millibar. 1 millibar is equal to A. 1000 bar B. 100 kPa C. 100 Pa D. 1 atm

Description : Unit for pressure used in weather maps is millibar. 1 millibar is equal to A. 1000 bar B. 100 kPa C. 100 Pa D. 1 atm

Last Answer : 100 Pa

Normal force exerted per unit area by gas on walls of container is A. temperature B. energy C. pressure D. friction

Description : Normal force exerted per unit area by gas on walls of container is A. temperature B. energy C. pressure D. friction

Last Answer : pressure

Normal force acting per unit cross sectional area is called A. weight B. pressure C. volume D. friction

Description : Normal force acting per unit cross sectional area is called A. weight B. pressure C. volume D. friction

Last Answer : pressure

Sound energy passing per second through a unit area held perpendicular is called - (1) Intensity (2) Frequency (3) Amplitude (4) Quality

Description : Sound energy passing per second through a unit area held perpendicular is called - (1) Intensity (2) Frequency (3) Amplitude (4) Quality

Last Answer : (1) Intensity Explanation: Sound energy passes through a unit area held perpendicular to the direction of propagation of sound waves is called intensity of sound.

Light year is the unit of - (1) Frequency (2) Distance (3) Energy (4) Power

Description : Light year is the unit of - (1) Frequency (2) Distance (3) Energy (4) Power

Last Answer : (2) Distance Explanation: A light-year is a unit of distance. It is the distance that light can travel in one year. Light moves at a velocity of about 300,000 kilometers (km) each second. So in one year, it can travel about 10 trillion km.

Which of the following is the unit of distance in navigation? (1) Knot (2) Nautical mile (3) Bar (4) Angstrom

Description : Which of the following is the unit of distance in navigation? (1) Knot (2) Nautical mile (3) Bar (4) Angstrom

Last Answer : (2) Nautical mile Explanation: A nautical mile is based on the circumference of the earth, and is equal to one minute of latitude. It is slightly more than a statute (land measured) mile (1nautical mile = 1.1508 statute miles).

Which of the following has the same unit as energy? (1) Power f(2) Density (3) Work (4) Force

Description : Which of the following has the same unit as energy? (1) Power f(2) Density (3) Work (4) Force

Last Answer : (3) Work Explanation: The SI unit of work is the joule (J), which is defined as the work expended by a force of one Newton through a displacement of one metre.

Kilowatt-hour is the unit of : (1) Energy (2) Power (3) Force (4) Momentum

Description : Kilowatt-hour is the unit of : (1) Energy (2) Power (3) Force (4) Momentum

Last Answer : (1) Energy Explanation: The kilowatt hour, or kilowatthour, is a unit of energy equal to 1000 watt hours or 3.6 mega-joules For constant power, energy in watt hours is the product of ... kilowatt hour is most commonly known as a billing unit for energy delivered to consumers by electric utilities.

Kilowatt -hour is the unit of : (1) Energy (2) Power (3) Force (4) Momentum

Description : Kilowatt -hour is the unit of : (1) Energy (2) Power (3) Force (4) Momentum

Last Answer : Energy

‘Bar’ is the unit of------? A. Temperature B. Heat C. Atmospheric pressure (Answer) D. Current

Description : ‘Bar’ is the unit of------? A. Temperature B. Heat C. Atmospheric pressure (Answer) D. Current

Last Answer : C. Atmospheric pressure (Answer)

What is the SI unit of pressure?  A. Atm  B. Bar  C. Pa  D. Psi

Description : What is the SI unit of pressure?  A. Atm  B. Bar  C. Pa  D. Psi

Last Answer : Pa

Surface energy per unit area of a surface is numerically equal to (A) Atmospheric pressure (B) Surface tension (C) Force of adhesion (D) Force of cohesion

Description : Surface energy per unit area of a surface is numerically equal to (A) Atmospheric pressure (B) Surface tension (C) Force of adhesion (D) Force of cohesion

Last Answer : Answer: Option B

What is defined as the force per unit area?  A. Pressure  B. Energy  C. Work  D. Power

Description : What is defined as the force per unit area?  A. Pressure  B. Energy  C. Work  D. Power

Last Answer : Pressure

Bernoulli's principle states that, for streamline motion of an incompressible non-viscous fluid: A. the pressure at any part + the kinetic energy per unit volume = constant B. the kinetic energy per unit volume + the potential energy per unit volume = constant C. the pressure at any part + the potential energy per unit volume = constanD. the pressure at any part + the kinetic energy per unit volume + the potential energy per unit volume = constantt

Description : Bernoulli's principle states that, for streamline motion of an incompressible non-viscous fluid: A. the pressure at any part + the kinetic energy per unit volume = constant B. the kinetic ... + the kinetic energy per unit volume + the potential energy per unit volume = constant

Last Answer : the pressure at any part + the kinetic energy per unit volume + the potential energy per unit volume = constant

What is the unit of frequency of a word ?

Description : What is the unit of frequency of a word ?

Last Answer : word frequency = f

What is the SI unit of frequency? (1) Newton (2) Watt (3) Farad (4) Hertz

Description : What is the SI unit of frequency? (1) Newton (2) Watt (3) Farad (4) Hertz

Last Answer : (4) Hertz Explanation: The number of waves or vibrations passing through a point in one second is called Frequency. The SI (System International) Unit of Frequency is Hertz(Hz).

Hertz is a unit for measuring – (1) Intensity of waves (2) Frequency of waves (3) Wavelength (4) Clarity of waves

Description : Hertz is a unit for measuring – (1) Intensity of waves (2) Frequency of waves (3) Wavelength (4) Clarity of waves

Last Answer : (2) Frequency of waves

A light year is a unit of: (1) Time (2) Distance (3) Intencity of Light (4) Frequency

Description : A light year is a unit of: (1) Time (2) Distance (3) Intencity of Light (4) Frequency

Last Answer : (2) Distance Explanation: A light-year is a unit of distance. It is the distance that light can travel in one year. Light moves at a velocity of about 300,000 kilometers (km) each second. So in one year, it can travel about 10 trillion km.

Radian per second is unit of _______. (1) Momentum (2) Moment of Inertia (3) Frequency (4) Angle Velocity

Description : Radian per second is unit of _______. (1) Momentum (2) Moment of Inertia (3) Frequency (4) Angle Velocity

Last Answer : (4) Angle Velocity Explanation: The SI unit of angular velocity is radians per second.

Decibel is the unit used for – (1) Speed of light (2) Intensity of heat (3) Intensity of sound (4) Radio wave frequency

Description : Decibel is the unit used for – (1) Speed of light (2) Intensity of heat (3) Intensity of sound (4) Radio wave frequency

Last Answer : (3) Intensity of sound Explanation: The decibel (abbreviated dB) is the unit used to measure the intensity of a sound. The decibel scale is a little odd because the human ear is incredibly ... of a physical quantity (usually power or intensity) relative to a specified or implied reference level.

Hertz is a unit for measuring (1) Intensity of waves (2) Frequency of waves (3) Wavelength (4) Clarity of waves

Description : Hertz is a unit for measuring (1) Intensity of waves (2) Frequency of waves (3) Wavelength (4) Clarity of waves

Last Answer : Frequency of waves

Decibel is the unit used for (1) Speed of light (2) Intensity of heat (3) Intensity of sound (4) Radio wave frequency

Description : Decibel is the unit used for (1) Speed of light (2) Intensity of heat (3) Intensity of sound (4) Radio wave frequency

Last Answer : Intensity of sound

In a particular system, the units of length, mass and time are chosen to be 10 cm, 10 g and 0.1 s respectively. The unit of force in this system will be equivalent to – (1) 0.1 N (2) 1 N (3) 10 N (4) 100 N

Description : In a particular system, the units of length, mass and time are chosen to be 10 cm, 10 g and 0.1 s respectively. The unit of force in this system will be equivalent to – (1) 0.1 N (2) 1 N (3) 10 N (4) 100 N

Last Answer : (1) 0.1 N

Tensile stress is equal to A. Force per unit area B. Force per unit volume C. Extension per unit length D. Extension per unit area

Description : Tensile stress is equal to A. Force per unit area B. Force per unit volume C. Extension per unit length D. Extension per unit area

Last Answer : Force per unit area

Stress is force applied on A. volume B. cross sectional area C. unit length D. across diagonal

Description : Stress is force applied on A. volume B. cross sectional area C. unit length D. across diagonal

Last Answer : cross sectional area

In a particular system, the units of length, mass and time are chosen to be 10 cm, 10 g and 0.1 s respectively. The unit of force in this system will be equivalent to (1) 0.1 N (2) 1 N (3) 10 N (4) 100 N

Description : In a particular system, the units of length, mass and time are chosen to be 10 cm, 10 g and 0.1 s respectively. The unit of force in this system will be equivalent to (1) 0.1 N (2) 1 N (3) 10 N (4) 100 N

Last Answer :  0.1 N

What happens to the bus bar dimensions of the waveguide when the frequency is increased?

Description : What happens to the bus bar dimensions of the waveguide when the frequency is increased?

Last Answer : The bus bar becomes wider.

Why is it necessary that incoming alternator frequency is more than bus bar?

Description : Why is it necessary that incoming alternator frequency is more than bus bar?

Last Answer : Prior to paralleling alternators together, the frequency of the incoming alternator is made slightly higher. This is to ensure that the incoming generator will take some of the bus load. If the incoming ... onto the bus. If this happens it is possible to cause other generators to trip off line.

By which of the following a bus-bar is rated ? (a) Current only (b) Current and voltage (c) Current, voltage and frequency (d) Current, voltage, frequency and short time current

Description : By which of the following a bus-bar is rated ? (a) Current only (b) Current and voltage (c) Current, voltage and frequency (d) Current, voltage, frequency and short time current

Last Answer : (d) Current, voltage, frequency and short time current

Pa (Pascal) is the unit for (a) Thrust (b) Pressure (c) Frequency (d) Conductivity

Description : Pa (Pascal) is the unit for (a) Thrust (b) Pressure (c) Frequency (d) Conductivity

Last Answer : Ans:(b)

The units of frequency factor in Arrhenius equation (A) Are the same as those of the rate constant (B) Depend on the order of the reaction (C) Depend on temperature, pressure etc. of the reaction (D) Are cycles per unit time

Description : The units of frequency factor in Arrhenius equation (A) Are the same as those of the rate constant (B) Depend on the order of the reaction (C) Depend on temperature, pressure etc. of the reaction (D) Are cycles per unit time

Last Answer : (A) Are the same as those of the rate constant

Why can army drink at a bar in uniform, but air force can't?

Description : Why can army drink at a bar in uniform, but air force can't?

Last Answer : Simply put; Air Force has much higher standards than Army!

Are the magnetic lines force of a bar magnets strongest at the end of the magnet or in the middle?

Description : Are the magnetic lines force of a bar magnets strongest at the end of the magnet or in the middle?

Last Answer : Feel Free to Answer

The water, retained by the soil in capillary pores (micropores), against gravity (-1/3 to - 31 bar) by the force of surface tension

Description : The water, retained by the soil in capillary pores (micropores), against gravity (-1/3 to - 31 bar) by the force of surface tension

Last Answer : Ans.Capillary water

Define magnetic lines of force. Also draw and show magnetic lines of force of a bar type magnet.

Description : Define magnetic lines of force. Also draw and show magnetic lines of force of a bar type magnet.

Last Answer : Magnetic Lines of force- These are the imaginary lines (having no physical existence) introduced by Faraday for the pictorial representation of the distribution of a magnetic field.  OR  A line of ... that the tangent at any point gives direction of the resultant force at that point. 

Define magnetic lines of force. Show the magnetic lines of force for bar type magnet.

Description : Define magnetic lines of force. Show the magnetic lines of force for bar type magnet.

Last Answer : Magnetic linens of force is the imaginary lines for magnetic field of magnet around it. These magnetic lines of forces are introduced by Michael Faraday. The direction of lines of force is from N-pole to S-pole. The figure shows lines of force for bar type magnet.

Is the force of gravity on unit volume?  a. Specific Weight  b. Specific Heat  c. Specific Pressure  d. Specific Volume

Description : Is the force of gravity on unit volume?  a. Specific Weight  b. Specific Heat  c. Specific Pressure  d. Specific Volume

Last Answer : Specific Weight

The force per unit length across such a line in the surface is called _________.  a. force per length  b. surface tension  c. Pressure  d. Density

Description : The force per unit length across such a line in the surface is called _________.  a. force per length  b. surface tension  c. Pressure  d. Density

Last Answer : surface tension

A Poise is the unit of measure of which of the following? w) pressure x) viscosity y) force z) mass

Description : A Poise is the unit of measure of which of the following? w) pressure x) viscosity y) force z) mass

Last Answer : ANSWER: X -- VISCOSITY

The unit of frequency factor in Arrhenius equation is (A) Same as that of rate constant (B) Same as that of activation energy (C) Dimensionless (D) None of these

Description : The unit of frequency factor in Arrhenius equation is (A) Same as that of rate constant (B) Same as that of activation energy (C) Dimensionless (D) None of these

Last Answer : (A) Same as that of rate constant

A man standing close to the platform at a railway station experiences a pulling force towards a fast moving train because of (1) gravitational force between train and man. (2) illusion of the man (3) the centripetal force (4) pressure difference due to fast moving air in between

Description : A man standing close to the platform at a railway station experiences a pulling force towards a fast moving train because of (1) gravitational force between train and man. (2) illusion of the man (3) the centripetal force (4) pressure difference due to fast moving air in between

Last Answer : (4) pressure difference due to fast moving air in between Explanation: When a fast-moving train passes a man standing on the platform at rest, the air between train and person also moves with ... higher pressure, and being behind the man standing close will tend to push him toward the train.

The oil in the wick of an oil lamp rises up due to: (1) capillary action (2) low viscosity of oil (3) gravitational force (4) pressure difference

Description : The oil in the wick of an oil lamp rises up due to: (1) capillary action (2) low viscosity of oil (3) gravitational force (4) pressure difference

Last Answer : (1) capillary action Explanation: The oil in the wick of an oil lamp rises up due to capillary action.

Who among the following is the scalar quantity______. (1) force (2) pressure (3) velocity (4) acceleration

Description : Who among the following is the scalar quantity______. (1) force (2) pressure (3) velocity (4) acceleration

Last Answer : (2) pressure Explanation: Pressure is a scalar quantity. It relates the vector surface element with the normal force acting on it.

The oil in the wick of lamp rises due to (1) Pressure difference (2) Pheonomenon of capillarity (3) Low viscosity of oil (4) Force of cohesion

Description : The oil in the wick of lamp rises due to (1) Pressure difference (2) Pheonomenon of capillarity (3) Low viscosity of oil (4) Force of cohesion

Last Answer : (2) Pheonomenon of capillarity Explanation: The oil in the wick of lamp rises due to phenomenon of capillarity. This phenomenon is called molecular property of matter.

Rate of change of momentum is - (1) Area (2) Pressure (3) Force (4) Velocity

Description : Rate of change of momentum is - (1) Area (2) Pressure (3) Force (4) Velocity

Last Answer : (3) Force Explanation: According to Newton’s Second Law of motion, the rate of change of momentum of an object is directly proportional to the resultant force applied and is in the direction of the resultant force.

A falling drop of rain water ac-quires the spherical shape due to – (1) Viscosity (2) Surface Tension (3) Atmospheric pressure (4) Gravitational force

Description : A falling drop of rain water ac-quires the spherical shape due to – (1) Viscosity (2) Surface Tension (3) Atmospheric pressure (4) Gravitational force

Last Answer : (2) Surface Tension Explanation: Raindrops start out as round high in the atmosphere as water collects on dust and smoke particles in clouds. But as raindrops fall, they lose their rounded ... the molecules stick together. The cause is the weak hydrogen bonds that occur between water molecules.

Incorrect statement for co-efficient of friction could be that A. The coefficient of friction is denoted by the Greek letter µ. B. The coefficient of friction is directly proportional to the force of friction C. The coefficient of friction is constant even in the conditions of fast slipping and high contact pressure D. The coefficient of friction is inversely proportional to the force pressing the surfaces together

Description : Incorrect statement for co-efficient of friction could be that A. The coefficient of friction is denoted by the Greek letter µ. B. The coefficient of friction is directly proportional to ... D. The coefficient of friction is inversely proportional to the force pressing the surfaces together

Last Answer : The coefficient of friction is constant even in the conditions of fast slipping and high contact pressure

A rectangle-shaped open-to-sky tank of water has a length of 2 m and a width of 1 m. If the atmospheric pressure is assumed to be 100 kPa and thickness of the tank walls is assumed to be negligible, the force exerted by the atmosphere on the surface of water is A. 20 kN B. 50 kN C. 100 kN D. 200 kN

Description : A rectangle-shaped open-to-sky tank of water has a length of 2 m and a width of 1 m. If the atmospheric pressure is assumed to be 100 kPa and thickness of the tank walls is assumed to be negligible, the force exerted by ... of water is A. 20 kN B. 50 kN C. 100 kN D. 200 kN

Last Answer : 200 kN

The temperature of a gas is held constant while its volume is reduced. The pressure the gas exerts on the walls of its container increases because its molecules: w) strike the container walls more often x) strike the container walls with higher speeds y) strike the container walls with greater force z) all of the above

Description : The temperature of a gas is held constant while its volume is reduced. The pressure the gas exerts on the walls of its container increases because its molecules: w) strike the container walls more ... walls with higher speeds y) strike the container walls with greater force z) all of the above

Last Answer : ANSWER: W -- STRIKE THE CONTAINER WALLS MORE OFTEN

Pressure is equal to: w) Area divided by force x) force divided by area y) area times force z) area minus force

Description : Pressure is equal to: w) Area divided by force x) force divided by area y) area times force z) area minus force

Last Answer : ANSWER: X -- FORCE DIVIDED BY AREA