Tractive Effort and Train Resistance

What is the formula for calculating force as described in the content?

How does tractive effort (TE) behave in the speed range of 0 to 20 mph?

What is the relationship between power, force, and speed?

What is the maximum tractive effort (TE) value described in the example?

How is energy consumed in moving an object defined?

What happens to acceleration as speed increases beyond 20 mph according to the content?

How do you convert speed from mph to m/s as demonstrated in the example?

What is the calculated power at a speed of 20 mph with a maximum TE of 100 kN?

What is the Maximum Power at Rail primarily focused on?

What characterizes Continuous Tractive Effort?

What is the purpose of 'back emf' in a DC motor?

How is Starting Tractive Effort defined?

What limits the Short Term Tractive Effort?

Which factors can influence Continuous Power rating?

Why does the total power drawn from the supply exceed 910kW?

How long can Short Term Tractive Effort typically be sustained?

What happens to the maximum power curve at speeds over 70 mph?

Which component is NOT a part of the calculation for Tractive Effort?

What happens to the torque when the motor speeds up and the internally generated voltage rises?

What is the Balancing Condition in relation to train acceleration?

What does the specific resistance 'R' during a run depend on?

In the train resistance formula, what does the term 'cv^2' represent?

How is the tractive effort (TE) required to start a train calculated?

What does the variable 'a' represent in the train resistance formula?

Which of the following is NOT a factor contributing to train resistance during a run?

Which of these states accounts for resistance to start a train on straight level track?

If the drag of the train increases with speed, what effect does this have on the effective torque?

What does 'TE' stand for in the context of train operation?

What happens to the balancing speed of a train on an up-gradient compared to level ground?

How is the tractive effort required to overcome curve-resistance determined?

What is the effect of increasing gear ratio on a locomotive's performance?

What change occurs in tractive effort as wheel diameter decreases?

How does field shunting affect a DC motor's operation?

What is the formula for calculating the running resistance of a train at a given speed 'V' for a BOXN load?

How does the gravitational force acting on a 150 tonne train calculate?

What is the resistance due to gravity for a train on a gradient of 1 in 200?

For a given gradient 'G', how is Specific Grade Resistance expressed?

What components remain unchanged when calculating running resistance of a train as it runs?

What is the effective voltage governed by in relation to train drag and resistance?

What happens when the train starts to climb a grade and the speed reduces?

Which of the following correctly describes the relationship between Tractive Effort (TE) and overall train resistance?

What modifies the effective voltage available to the motor during train operation?

What is the starting resistance of a loco expressed in kg/ton?

What happens to the tractive effort as speed increases beyond the 20 mph mark?

How is power calculated when given a force and speed?

Which of the following best describes the relationship between mass, acceleration, and tractive effort?

At what point does maximum tractive effort occur based on the content?

How is energy defined in the context of moving an object?

What unit is used to express the maximum tractive effort in the example provided?

Which statement correctly describes the relationship of speed and power at the rail?

What happens to acceleration when tractive effort decreases with increasing speed?

How does a reduction in gear ratio affect the locomotive's operational characteristics?

What is the impact of wheel diameter reduction on tractive effort at different speeds?

Which statement accurately describes the effect of field shunting on a DC motor's operation?

What occurs to the torque as the motor accelerates and the internally generated voltage increases?

Which statement best defines the balancing condition for a train?

What is the significance of curvature resistance calculated using the formula TC = 0.4 X S X W?

How does one define Continuous Tractive Effort in relation to train operation?

In the formula for train resistance, what does the variable 'b' specifically represent?

What specifically does a gearbox do in relation to the traction motors and train axles?

What primarily affects the Continuous Power rating of equipment?

What is the principal component expressed by 'a' in the train resistance formula?

How is the effective voltage available to the motor primarily determined?

What limits the Short Term Tractive Effort when attempting to climb a grade?

Which of the following statements best describes Maximum Power at Rail?

Which scenario best describes the impact of increasing the motor notches?

What does the term 'cv^2' in the train resistance formula indicate?

What is the relationship between starting tractive effort and the locomotive's weight?

Which statement accurately describes the existence of train resistance?

What happens to the power curve of the equipment at speeds exceeding 70 mph?

What does 'back emf' in a DC motor primarily counteract during operation?

What is the influence of gradient on train resistance according to the context?

Which of the following statements is true regarding the tractive effort required to start a train?

Which parameter is NOT included when computing Tractive Effort?

What is primarily considered when estimating Continuous Power in traction systems?

What effect does the increase in speed generally have on tractive effort needed?

What is the formula used to calculate the running resistance of a train at speed 'V' for a locomotive?

How is the tractive effort (TE) required to overcome a gradient of '1 in G' calculated for a train of weight 'W'?

What is the approximate gravitational force acting on a 150 tonne train?

If a train climbs a 1 in 200 gradient, what is the resistance due to gravity?

For a loco, how is the second term of the running resistance formula influenced during operation?

What component remains unchanged when calculating the running resistance of a train at a constant speed?

Which term in calculating running resistance describes the contribution of speed squared?

When speed reduces due to a train climbing a grade, what effect does this have on the back voltage?

What is the term used to describe the resistance experienced by a train moving on a gradient of '1 in 1'?