Thrust is a forward motion, true or false?

Thrust is a forward motion, true or false?
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Description : Why does a cannon recoil after firing? (1) Conservation of energy (2) Backward thrust of gases produced (3) NeMon's third law of motion (4) Newton's first law of motion

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Does a crosswind increase drag on forward motion?

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The blades of a centrifugal impeller are said to be curved forward, if the __________ of the motion of impeller blades. (A) Inlet tip of a blade curves in a direction opposite to that (B) Outlet tip of a blade curves in a direction opposite to that (C) Inlet tip of a blade is towards the direction (D) Outlet tip of a blade is towards the direction

Description : The blades of a centrifugal impeller are said to be curved forward, if the __________ of the motion of impeller blades. (A) Inlet tip of a blade curves in a direction opposite to that (B) Outlet tip ... Inlet tip of a blade is towards the direction (D) Outlet tip of a blade is towards the direction

Last Answer : (D) Outlet tip of a blade is towards the direction

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Which statement is true regarding the opposing forces acting on an aeroplane in steady-state level flight? a. Thrust is greater than drag and weight and lift are equal b. These forces are equal c. Thrust is greater than drag and lift is greater than weight d. Thrust is slightly greater than lift, but the drag and weight are equal

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Tapper roller bearing are used in disc harrow because a) It can take heavy radial loads b) It can take both radial as well as end thrust c) It can operate effectively at low speed and in contact with dirt d) Both (b) and (c) are true

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When Newtons laws of motion apply in outer space true or false?

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Which of the following statement is false (a). Enzymes are differentiated by electrophoresis method (b). While DNA sequencing both forward and reverse primers are used (c). Amplification is done through PCR (d). ABO blood grouping is mainly used for differentiating individuals

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Gay jellies! Have you ever been out of the closet, and then thrust back in?

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How does rocket thrust work in the vacuum of space?

Description : How does rocket thrust work in the vacuum of space?

Last Answer : answer:Lets say that you are floating out in space while holding a bowling ball. If you push the ball away from you then you and the ball will be put into motion in opposite directions. The same ... fires up, it pushed the blast in one direction as the rocket is pushed in the opposite direction.

How does the thrust to weight ratio work in terms of aeronautics and rocketry?

Description : How does the thrust to weight ratio work in terms of aeronautics and rocketry?

Last Answer : This is probably wrong, but since your original figures were in kiloNewtons, maybe your calculated accelerations should be in km/s/s?

Which of the following bearing will have least coefficient of friction a.Single ball bearing b.Cylinderical roller bearing c.Self aligury bearing d.Thrust ball bearing e.Tapered bearing

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When a train is rounding a curve to prevent side thrust on the wheel flanges of cars a.Opposite thrust is created to counter balance this thrust b.Guide rail sections are provided to take care of thrust c.Thrust eliminators are provided in the train d.Outside rails are realised e.Rail section is made thick on curvature

Description : When a train is rounding a curve to prevent side thrust on the wheel flanges of cars a.Opposite thrust is created to counter balance this thrust b.Guide rail sections are provided to take care of ... are provided in the train d.Outside rails are realised e.Rail section is made thick on curvature

Last Answer : d. Outside rails are realised

Glittering points that downward thrust, sparkling spears that never rust.What is it? -Riddles

Description : Glittering points that downward thrust, sparkling spears that never rust.What is it? -Riddles

Last Answer : An Icicle.

Glittering points that downward thrust, Sparkling spears that never rust. What is it? -Riddles

Description : Glittering points that downward thrust, Sparkling spears that never rust. What is it? -Riddles

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A dagger thrust at my own heart, Dictates the way I'm swayed. Left I stand, and right I yield, To the twisting of the blade. What am I? -Riddles

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Glittering points that downward thrust, sparkling spears That never rust. what am I? -Riddles

Description : Glittering points that downward thrust, sparkling spears That never rust. what am I? -Riddles

Last Answer : Icicles.

How can tongue thrust affect my braces treatment?

Description : How can tongue thrust affect my braces treatment?

Last Answer : Your time with braces will probably be longer. But in order to avoid wasting time and money, it is always a good Idea to look for a professional orthodontist to help you solve this issue first. When you ... in mind that solving tongue thrust takes a while (months to a couple years). *I had the issue

What is thrust on a plane?

Description : What is thrust on a plane?

Last Answer : What is the answer ?

What happens when friction is equal to the thrust force?

Description : What happens when friction is equal to the thrust force?

Last Answer : In that case, the object won't budge.

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)

For a body floating in water, the apparent weight is equal to - (1) Actual weight of the body (2) Zero (3) Weight of the body minus weight of the liquid (4) Weight of the body plus upward thrust

Description : For a body floating in water, the apparent weight is equal to - (1) Actual weight of the body (2) Zero (3) Weight of the body minus weight of the liquid (4) Weight of the body plus upward thrust

Last Answer : (3) Weight of the body minus weight of the liquid

The dimensional formula ML⁻¹T⁻² corresponds to – (1) Modulus of elasticity (2) Viscosity (3) Moment of a force (4) Thrust

Description : The dimensional formula ML⁻¹T⁻² corresponds to – (1) Modulus of elasticity (2) Viscosity (3) Moment of a force (4) Thrust

Last Answer : (1) Modulus of elasticity Explanation: M Li- T-2 is the dimension of any quantity that is force per unit area such as Pressure or Stress, Young's Modulus, Bulk Modulus, Modulus of Rigidity, ... the ratio of the stress applied to a body or substance to the resulting strain within the elastic limit.

If there were no gravity, which of the following will not be there for a fluid? (1) Viscosity (2) Surface Tension (3) Pressure (4) Upward Thrust

Description : If there were no gravity, which of the following will not be there for a fluid? (1) Viscosity (2) Surface Tension (3) Pressure (4) Upward Thrust

Last Answer : (4) Upward Thrust Explanation: If there is no gravity, there will not be any upward thrust to keep a liquid buoyant. Whenever a body is placed in a fluid, the fluid applies resultant up ... gravity at the given place. Up thrust increases with increase in acceleration due to gravity and vice versa.

A piece of wood is held under water. The up thrust on it will be: (1) equal to the weight of the Wood (2) less than weight of the wood (3) more than weight of the wood (4) Zero

Description : A piece of wood is held under water. The up thrust on it will be: (1) equal to the weight of the Wood (2) less than weight of the wood (3) more than weight of the wood (4) Zero

Last Answer : (2) less than weight of the wood Explanation: According to the Archimedes' principle, a floating object will experience an upthrust force from water, equal to the weight of water displaced (pushed aside ... until it reaches the point where the weight of the water pushed aside equals its own weight.

Two rods, one of copper and other of steel, experience the same up thrust when placed in water. Thus, both have – (1) equal volume (2) equal weight (3) equal density (4) equal mass

Description : Two rods, one of copper and other of steel, experience the same up thrust when placed in water. Thus, both have – (1) equal volume (2) equal weight (3) equal density (4) equal mass

Last Answer : (1) equal volume Explanation: When a body is placed in water, the upthrust or buoyant force acting on it depends upon the following factors: (1) Volume of the body submerged in the liquid - (V), or volume of ... (V); (ft) Density of the liquid - (d); and (Hi) Acceleration due to gravity In-line.

If the bearings of an electrical generator are failing more frequently than expected and the lubricating oil is sludging then you should ______________. A. check the connections to the output leads B. check the bearing insulating block on one end of the unit C. replace the bearing with a sealed roller type D. replace the thrust bearing of the prime mover

Description : If the bearings of an electrical generator are failing more frequently than expected and the lubricating oil is sludging then you should ______________. A. check the connections to the output leads B. ... replace the bearing with a sealed roller type D. replace the thrust bearing of the prime mover

Last Answer : Answer: B

If air gap readings for an electical generating machine have changed significantly from the last reading, you should check _________. A. the bearings B. insulation readings and machine cleanliness C. the prime mover thrust bearing D. the field coil bolts for the proper torque values

Description : If air gap readings for an electical generating machine have changed significantly from the last reading, you should check _________. A. the bearings B. insulation readings and machine cleanliness C. the prime mover thrust bearing D. the field coil bolts for the proper torque values

Last Answer : Answer: A

In the illustrated motor, roller bearings are used because __________. EL-0001 A. of their ability to absorb moderate thrust loads B. they electrically insulate the rotor from the frame reducing cross-currents C. the shafting and end bells do not require as close a tolerance to properly fit this type of bearing D. the clearance between the rotor and stator is generally as close as mechanical tolerance will permit

Description : In the illustrated motor, roller bearings are used because __________. EL-0001 A. of their ability to absorb moderate thrust loads B. they electrically insulate the rotor from the frame reducing ... clearance between the rotor and stator is generally as close as mechanical tolerance will permit

Last Answer : Answer: D

A faulty 'function generator' shown in the illustration may prevent _____________. EL-0095 A. proper pitch control from both the 'bridge' and 'engine room thrust levers' B. the 'split potentiometer's' ability to control pitch C. the pitch meter from indicating accurately D. relays #2 and/or #3 from energizing

Description : A faulty 'function generator' shown in the illustration may prevent _____________. EL-0095 A. proper pitch control from both the 'bridge' and 'engine room thrust levers' B. the 'split potentiometer ... control pitch C. the pitch meter from indicating accurately D. relays #2 and/or #3 from energizing

Last Answer : Answer: A

Vessel pitch can be controlled by either the 'bridge or engine room thrust lever' shown in the illustration; but only with one engine on the line whether in 'cruise or maneuver' mode. The cause is most likely a faulty relay _____________. EL-0095 A. #1 B. #2 C. #3 D. #4

Description : Vessel pitch can be controlled by either the 'bridge or engine room thrust lever' shown in the illustration; but only with one engine on the line whether in 'cruise or maneuver' mode. The cause is most likely a faulty relay _____________. EL-0095 A. #1 B. #2 C. #3 D. #4

Last Answer : Answer: D

If Relay #5 changed contact position grounding the 'auto' input to the 'pitch controller module', pitch control would be effected by the _________________. EL-0095 A. pitch feedback potentiometer B. Engine room thrust split potentiometer C. Engine room thrust lever only D. Bridge thrust lever only

Description : If Relay #5 changed contact position grounding the 'auto' input to the 'pitch controller module', pitch control would be effected by the _________________. EL-0095 A. pitch feedback potentiometer B. Engine room thrust split potentiometer C. Engine room thrust lever only D. Bridge thrust lever only

Last Answer : Answer: B

As shown in the two illustrations for 'pitch control' and engine speed control', when the plant is in 'AUTO / CRUISE' propeller pitch is controlled by ___________. EL-0095 A. the 'trim potentiometer' and speed by either 'thrust lever' B. either 'thrust lever' and speed also by the selected Lever C. the split trim potentiometer and speed by its 'trim pot'. D. either 'thrust lever' and speed by the 'trim potentiometer'

Description : As shown in the two illustrations for 'pitch control' and engine speed control', when the plant is in 'AUTO / CRUISE' propeller pitch is controlled by ___________. EL-0095 A. the 'trim potentiometer' and ... and speed by its 'trim pot'. D. either 'thrust lever' and speed by the 'trim potentiometer'

Last Answer : Answer: D

As shown in the illustration, when the 'speed control' system is in 'SPLIT' _______________. EL-0096 A. Relays #1, #5 and #8 are not used B. the 'slew rated controller' is grounded through Relay #6 C. the RPM 'function generator' and 'thrust levers' have no control D. the 'E/P converters' are bypassed and air is fed directly to the governors via the 'load sharing valve'

Description : As shown in the illustration, when the 'speed control' system is in 'SPLIT' _______________. EL-0096 A. Relays #1, #5 and #8 are not used B. the 'slew rated controller' is grounded through Relay ... E/P converters' are bypassed and air is fed directly to the governors via the 'load sharing valve'

Last Answer : Answer: C

The meter indicating the position of the 'bridge Thrust lever' shown in the illustration is located ___________________. EL-0095 A. in the Engine Control Room B. on the Bridge C. in the Captain's office D. in the Chief Engineer's office

Description : The meter indicating the position of the 'bridge Thrust lever' shown in the illustration is located ___________________. EL-0095 A. in the Engine Control Room B. on the Bridge C. in the Captain's office D. in the Chief Engineer's office

Last Answer : Answer: A

Considering the function of the circuit shown in the illustration, what is the purpose of supplying the thrust lever potentiometers with both (+) and (-) 15 volts? EL-0095 A. To select which lever (bridge or engine room) is active. B. So the circuit can differentiate between ahead and astern commands. C. To provide an alternate voltage supply if the other fails. D. So as to automatically select the position of Relay #

Description : Considering the function of the circuit shown in the illustration, what is the purpose of supplying the thrust lever potentiometers with both (+) and (-) 15 volts? EL-0095 A. To select which ... alternate voltage supply if the other fails. D. So as to automatically select the position of Relay #

Last Answer : Answer: B

As shown in the illustration, the circuit which 'shapes' the linear output of the thrust lever so that the steady-state ship speed is linear with respect to that lever's setting is the _____________. EL-0095 A. 'pitch controller' B. 'error amplifier' C. 'function generator' D. 'servo amplifier'

Description : As shown in the illustration, the circuit which 'shapes' the linear output of the thrust lever so that the steady-state ship speed is linear with respect to that lever's setting is the _____________. EL-0095 A. 'pitch controller' B. 'error amplifier' C. 'function generator' D. 'servo amplifier'

Last Answer : Answer: C