A gradient along which the vehicle does not require any tractive effort to maintain a specified speed, is known as (A) Ruling gradient (B) Pushing gradient (C) Floating gradient (D) Minimum gradient

A gradient along which the vehicle does not require any tractive effort to maintain a specified
speed, is known as
(A) Ruling gradient
(B) Pushing gradient
(C) Floating gradient
(D) Minimum gradient
by

1 Answer

Answer :

Answer: Option C
by

Related questions

If the gross vehicle weight of a truck is 30 tonne and rolling resistance is 30 kg/tonne, then the tractive effort required to keep the truck moving at a uniform speed is (A) 30 kg (B) 300 kg (C) 900 kg (D) 1000 kg

Description : If the gross vehicle weight of a truck is 30 tonne and rolling resistance is 30 kg/tonne, then the tractive effort required to keep the truck moving at a uniform speed is (A) 30 kg (B) 300 kg (C) 900 kg (D) 1000 kg

Last Answer : (C) 900 kg

Any gradient on a road is said to be an exceptional gradient, if it is (A) More than ruling gradient (B) Less than average gradient (C) More than floating gradient (D) Less than minimum gradient or more than maximum gradient

Description : Any gradient on a road is said to be an exceptional gradient, if it is (A) More than ruling gradient (B) Less than average gradient (C) More than floating gradient (D) Less than minimum gradient or more than maximum gradient

Last Answer : Answer: Option D

The steepest gradient permitted on roads which, in ordinary conditions, does not exceed, is known (A) Ruling gradient (B) Maximum gradient (C) Exceptional gradient (D) Floating gradient

Description : The steepest gradient permitted on roads which, in ordinary conditions, does not exceed, is known (A) Ruling gradient (B) Maximum gradient (C) Exceptional gradient (D) Floating gradient

Last Answer : Answer: Option B

To compensate the loss of tractive force of vehicles along curves of radius R, the percentage reduction of gradient, is (A) 50/R (B) 75/R (C) 100/R (D) 125/R

Description : To compensate the loss of tractive force of vehicles along curves of radius R, the percentage reduction of gradient, is (A) 50/R (B) 75/R (C) 100/R (D) 125/R

Last Answer : Answer: Option B

Selection of the routes, of highways depends upon (A) Feasibility of attaining ruling gradient (B) Avoidance of cutting hard rocks (C) Minimum number of bridges (D) All the above

Description : Selection of the routes, of highways depends upon (A) Feasibility of attaining ruling gradient (B) Avoidance of cutting hard rocks (C) Minimum number of bridges (D) All the above

Last Answer : Answer: Option D

The difference in gradients after full super-elevation and the initial alignment of a road, is known as (A) Ruling gradient(B) Rising gradient (C) Compensated gradient (D) Differential gradient

Description : The difference in gradients after full super-elevation and the initial alignment of a road, is known as (A) Ruling gradient (B) Rising gradient (C) Compensated gradient (D) Differential gradient

Last Answer : Answer: Option D

Define (i) Draw Bar Pull (ii) Tractive Effort

Description : Define (i) Draw Bar Pull (ii) Tractive Effort 

Last Answer : (i) Draw Bar Pull: If the extra load attached to the vehicle is pulled by fully utilizing the excess power, then, maximum drawbar pull = Tractive effort Road resistance.  (ii) Tractive effort ... rear wheel tyres and the road. Therefore, the useful tractive effort is always less than the traction.

Tractive effort acts

Description : Tractive effort acts  A) At 90° with respect to the rails measured in counter clockwise direction B) At 270° with respect to the rails measured in counter clockwise direction C) Tangential to the driving wheel D) For overcoming the effect of gravity only when a train is being hauled

Last Answer : Tractive effort acts Tangential to the driving wheel

Tractive effort is required to?

Last Answer : Tractive effort is required to overcome the gravity component of train mass, overcome friction, windage and curve resistance, accelerate the train mass.

For calculating the tractive force along an upgrade of an asphalt road, the most probable value of the co-efficient of traction resistance is assumed (A) 1/10 (B) 1/20 (C) 1/30 (D) 1/100

Description : For calculating the tractive force along an upgrade of an asphalt road, the most probable value of the co-efficient of traction resistance is assumed (A) 1/10 (B) 1/20 (C) 1/30 (D) 1/100

Last Answer : Answer: Option D

If the ruling gradient on any highway is 3%, the gradient provided on the curve of 300 metre radius, is (A) 2.00 % (B) 2.25 % (C) 2.50 % (D) 2.75 %

Description : If the ruling gradient on any highway is 3%, the gradient provided on the curve of 300 metre radius, is (A) 2.00 % (B) 2.25 % (C) 2.50 % (D) 2.75 %

Last Answer : Answer: Option D

On the recommendations of Indian Road Congress, the ruling gradient in plains, is (A) 1 in 15 (B) 1 in 20 (C) 1 in 30 (D) 1 in 45

Description : On the recommendations of Indian Road Congress, the ruling gradient in plains, is (A) 1 in 15 (B) 1 in 20 (C) 1 in 30 (D) 1 in 45

Last Answer : Answer: Option C

Reduction of load capacity in a ruling gradient of (A) 1 in 10, is 10% (B) 1 in 15, is 15% (C) 1 in 20, is 10% (D) 1 in 25, is 25%

Description : Reduction of load capacity in a ruling gradient of (A) 1 in 10, is 10% (B) 1 in 15, is 15% (C) 1 in 20, is 10% (D) 1 in 25, is 25%

Last Answer : Answer: Option C

Ruling gradient on hill roads 300 m above M.S.L. is kept (A) 4 % (B) 5 % (C) 7 % (D) 8 %

Description : Ruling gradient on hill roads 300 m above M.S.L. is kept (A) 4 % (B) 5 % (C) 7 % (D) 8 %

Last Answer : Answer: Option B

The best compromise between the increase of the length of a highway and reduction in its load carrying capacity, is the ruling gradient (A) 1 in 10 (B) 1 in 15 (C) 1 in 20 (D) 1 in 25

Description : The best compromise between the increase of the length of a highway and reduction in its load carrying capacity, is the ruling gradient (A) 1 in 10 (B) 1 in 15 (C) 1 in 20 (D) 1 in 25

Last Answer : Answer: Option C

The gradients of trace cuts for hilly roads, are kept (A) Equal to ruling gradient (B) 10 to 20 per cent easier than ruling gradients (C) 10 to 20 per cent steeper than ruling gradients (D) None of these

Description : The gradients of trace cuts for hilly roads, are kept (A) Equal to ruling gradient (B) 10 to 20 per cent easier than ruling gradients (C) 10 to 20 per cent steeper than ruling gradients (D) None of these

Last Answer : Answer: Option B

The weight of vehicles affects (A) Pavement thickness (B) Ruling gradient (C) Limiting gradient (D) All the above

Description : The weight of vehicles affects (A) Pavement thickness (B) Ruling gradient (C) Limiting gradient (D) All the above

Last Answer : Answer: Option D

If the ruling gradient is 1 in 150 on a particular section of a broad gauge track, the allowable ruling gradient on a 4° curve in the track will be :

Description : If the ruling gradient is 1 in 150 on a particular section of a broad gauge track, the allowable ruling gradient on a 4° curve in the track will be : (a) 0.51% (b) 0.53% (c) 0.61% (d) 0.67%

Last Answer : (a) 0.51%

Floating gradients are generally provided (A) Along maximum gradients (B) Along minimum gradients (C) At summit curves (D) At valley curves

Description : Floating gradients are generally provided (A) Along maximum gradients (B) Along minimum gradients (C) At summit curves (D) At valley curves

Last Answer : Answer: Option C

The minimum design speed of various types of highways in plain terrain is the same as the ruling design speed of (A) Rolling terrain (B) Mountainous terrain (C) Steep terrain (D) None of these

Description : The minimum design speed of various types of highways in plain terrain is the same as the ruling design speed of (A) Rolling terrain (B) Mountainous terrain (C) Steep terrain (D) None of these

Last Answer : Answer: Option A

Henderson Synthetics' management believes that several of the firm's products could have sizeable markets in other countries. In an attempt to maintain a low level of commitment with minimum effort and cost, Henderson would engage in in international marketing through A)contracting. B)exporting. C)joint ventures. D)licensing. E)subsidiaries.

Description : Henderson Synthetics' management believes that several of the firm's products could have sizeable markets in other countries. In an attempt to maintain a low level of commitment with minimum effort and ... through A)contracting. B)exporting. C)joint ventures. D)licensing. E)subsidiaries.

Last Answer : B)exporting.

Transition curves are introduced at either end of a circular curve, to obtain (A) Gradually decrease of curvature from zero at the tangent point to the specified quantity at the junction of the transition curve with main curve (B) Gradual increase of super-elevation from zero at the tangent point to the specified amount at the junction of the transition curve with main curve (C) Gradual change of gradient from zero at the tangent point to the specified amount at the junction of the transition curve with main curve (D) None of these

Description : Transition curves are introduced at either end of a circular curve, to obtain (A) Gradually decrease of curvature from zero at the tangent point to the specified quantity at the junction of the ... specified amount at the junction of the transition curve with main curve (D) None of these

Last Answer : (B) Gradual increase of super-elevation from zero at the tangent point to the specified amount at the junction of the transition curve with main curve

While designing hair pin bends on highways, the minimum (A) Designed speed is 20 km/hour(B) Gradient is 1 in 40 (C) Gradient is 1 in 200 (D) All the above

Description : While designing hair pin bends on highways, the minimum (A) Designed speed is 20 km/hour (B) Gradient is 1 in 40 (C) Gradient is 1 in 200 (D) All the above

Last Answer : Answer: Option D

The ruling gradient is 1 in 200 on a section of the BG track. If the track is laid in that place at a curve of 5 degrees then the allowable ruling gradient on the curve will be a) 1 in 16.7 b) 1 and 400 c) 1 in 240 d) 1 in 333*

Description : The ruling gradient is 1 in 200 on a section of the BG track. If the track is laid in that place at a curve of 5 degrees then the allowable ruling gradient on the curve will be a) 1 in 16.7 b) 1 and 400 c) 1 in 240 d) 1 in 333*

Last Answer : d) 1 in 333*

If the elevations along a road increase, the slope of the road along the longitudinal direction, is known as (A) Gradient (B) Grade (C) Positive grade (D) Negative grade

Description : If the elevations along a road increase, the slope of the road along the longitudinal direction, is known as (A) Gradient (B) Grade (C) Positive grade (D) Negative grade

Last Answer : Answer: Option A

Buoyant force is (A) The resultant force acting on a floating body (B) The resultant force on a body due to the fluid surrounding it (C) Equal to the volume of liquid displaced (D) The force necessary to maintain equilibrium of a submerged body

Description : Buoyant force is (A) The resultant force acting on a floating body (B) The resultant force on a body due to the fluid surrounding it (C) Equal to the volume of liquid displaced (D) The force necessary to maintain equilibrium of a submerged body

Last Answer : Answer: Option B

The floating mooring does not require (A) Cables (B) Anchors (C) Bollard (D) Buoy

Description : The floating mooring does not require (A) Cables (B) Anchors (C) Bollard (D) Buoy

Last Answer : (C) Bollard

A man wished to move a block of size 3 m x 3 m weighing 80 kg. The coefficient of friction between the block and the ground is 0.27. Which of the following methods should be used? a.Slide along the ground by pushing b.Ask for cranes c.Pull it d.Tip it over e.Lift it bodily

Description : A man wished to move a block of size 3 m x 3 m weighing 80 kg. The coefficient of friction between the block and the ground is 0.27. Which of the following methods should be used? a.Slide along the ground by pushing b.Ask for cranes c.Pull it d.Tip it over e.Lift it bodily

Last Answer : d. Tip it over

A man was pushing his car along the road when he comes to a hotel. He shouts 'I'm bankrupt!' Why did the man shout that out? -Riddles

Description : A man was pushing his car along the road when he comes to a hotel. He shouts 'I'm bankrupt!' Why did the man shout that out? -Riddles

Last Answer : Because he was playing Monopoly.

Height of coke oven is limited (say maximum upto 7 metres) mainly by the(A) Problem of uniform heating along its height(B) Structural strength of silica bricks(C) Problem in door cleaning(D) Buckling of ram of pusher car at the time of coke pushing

Description : Height of coke oven is limited (say maximum upto 7 metres) mainly by the (A) Problem of uniform heating along its height (B) Structural strength of silica bricks (C) Problem in door cleaning (D) Buckling of ram of pusher car at the time of coke pushing

Last Answer : (A) Problem of uniform heating along its height

In case of cement concrete pavements, pick up the incorrect statement (A) Tractive resistance is low (B) Initial cost of construction is high (C) Initial cost of construction is low (D) Visibility during nights is high

Description : In case of cement concrete pavements, pick up the incorrect statement (A) Tractive resistance is low (B) Initial cost of construction is high (C) Initial cost of construction is low (D) Visibility during nights is high

Last Answer : Answer: Option C

In alluvial channels carrying clear water, the ratio of maximum tractive shear stress on the slides and that on the channel beams approximately. a) 0.5 b) 1.76 c) 0.76 d) 1.5

Description : In alluvial channels carrying clear water, the ratio of maximum tractive shear stress on the slides and that on the channel beams approximately. a) 0.5 b) 1.76 c) 0.76 d) 1.5

Last Answer : c) 0.76

Tractive coefficient of a Crawler truck in loose soil is (a) Less than that of rubber tyre tractors (b) More than that of rubber tyre tractors (c) Same as that of rubber tyre tractors (d) Nearly zero

Description : Tractive coefficient of a Crawler truck in loose soil is (a) Less than that of rubber tyre tractors (b) More than that of rubber tyre tractors (c) Same as that of rubber tyre tractors (d) Nearly zero

Last Answer : (d) Nearly zero

In a heat exchanger, floating head is provided to (A) Facilitate cleaning of the exchanger (B) Increase the heat transfer area (C) Relieve stresses caused by thermal expansion (D) Increase log mean temperature gradient

Description : In a heat exchanger, floating head is provided to (A) Facilitate cleaning of the exchanger (B) Increase the heat transfer area (C) Relieve stresses caused by thermal expansion (D) Increase log mean temperature gradient

Last Answer : (C) Relieve stresses caused by thermal expansion

Pick up the correct statement from the following regarding the pressure conduits: (A) Pressure conduits are permitted to run ¾th full (B) Pressure conduits are always laid along down grades (C) The hydraulic gradient line always coincides the invert of the conduit (D) None of these

Description : Pick up the correct statement from the following regarding the pressure conduits:  (A) Pressure conduits are permitted to run ¾th full  (B) Pressure conduits are always laid along down grades  ... ) The hydraulic gradient line always coincides the invert of the conduit  (D) None of these

Last Answer : (D) None of these

The slope correction for a length of 30 m along a gradient of 1 in 20, is (A) 3.75 cm (B) 0.375 cm (C) 37.5 cm (D) 2.75 cm

Description : The slope correction for a length of 30 m along a gradient of 1 in 20, is  (A) 3.75 cm  (B) 0.375 cm  (C) 37.5 cm  (D) 2.75 cm

Last Answer : (A) 3.75 cm 

A sewer is laid from a manhole to a manhole , 250 m away along a gradient of 1 in 125. If the reduced level of the invert at is 205.75 m and the height of the boning rod is 3 m, the reduced level of the sight rail at , is (A) 208.75 m (B) 202.75 m (C) 206.75 m (D) 211.75 m

Description : A sewer is laid from a manhole to a manhole , 250 m away along a gradient of 1 in 125. If the  reduced level of the invert at is 205.75 m and the height of the boning rod is 3 m, the reduced  level of the sight rail at , is  (A) 208.75 m  (B) 202.75 m  (C) 206.75 m  (D) 211.75 m

Last Answer : (C) 206.75 m 

The chaining on sloping ground is (A) Easier along the falling gradient (B) Easier along the up gradient (C) Equally convenient along falling as well as up gradient (D) All the above

Description : The chaining on sloping ground is (A) Easier along the falling gradient (B) Easier along the up gradient (C) Equally convenient along falling as well as up gradient (D) All the above

Last Answer : (A) Easier along the falling gradient

If x% is the gradient of an alignment and y% is the gradient after proper super-elevation along a curved portion of a highway, the differential grade along the curve, is (A) (x + y) % (B) (x - y) % (C) (y - x) % (D) (y + x) %

Description : If x% is the gradient of an alignment and y% is the gradient after proper super-elevation along a curved portion of a highway, the differential grade along the curve, is (A) (x + y) % (B) (x - y) % (C) (y - x) % (D) (y + x) %

Last Answer : Answer: Option C

Gradient resistance of moving vehicles along down slopes, is (A) + 7 kg/tonne (B) + 9 kg/tonne (C) - 9 kg/tonne (D) - 7 kg/tonne

Description : Gradient resistance of moving vehicles along down slopes, is (A) + 7 kg/tonne (B) + 9 kg/tonne (C) - 9 kg/tonne (D) - 7 kg/tonne

Last Answer : Answer: Option C

The ground surface slopes 1 in 50 along a proposed railway embankment 150 m in length. The height of the embankment at zero chainage is 0.5 m, the width is 11 m and side slopes 2:1. If the falling gradient of the embankment is 1 in 150, the quantity of the earthwork calculated by Prismoidal formula, is (A) 3250 m3 (B) 3225 m3 (C) 3275 m3 (D) 3300 m3

Description : The ground surface slopes 1 in 50 along a proposed railway embankment 150 m in length. The height of the embankment at zero chainage is 0.5 m, the width is 11 m and side slopes 2:1. If the falling gradient ... calculated by Prismoidal formula, is (A) 3250 m3 (B) 3225 m3 (C) 3275 m3 (D) 3300 m3

Last Answer : (B) 3225 m3

The reduced levels of points, 30 metres apart along the longitudinal section of a road portion between chainages 5 and 9 are shown in the given figure. If there is a uniform up-gradient of the road 120 in 1, the chainage of the point with no filling or cutting is (A) (6 + 15) chains (B) (6 + 12) chains (C) (6 + 18) chains (D) None of these

Description : The reduced levels of points, 30 metres apart along the longitudinal section of a road portion between chainages 5 and 9 are shown in the given figure. If there is a uniform up-gradient of the road 120 in 1, the chainage ... 15) chains (B) (6 + 12) chains (C) (6 + 18) chains (D) None of these

Last Answer : (B) (6 + 12) chains

The absolute minimum sight distance required for stopping a vehicle moving with a speed of 80 kmph, is (A) 120 m (B) 200 m (C) 640 m (D) None of these

Description : The absolute minimum sight distance required for stopping a vehicle moving with a speed of 80 kmph, is (A) 120 m (B) 200 m (C) 640 m (D) None of these

Last Answer : Answer: Option A

Pick up the correct statement from the following: (A) Various geometric design features and generally guided by ruling design speed (B) The design speed for a given highway should preferably be uniform (C) Abrupt change in the design speed should not be permitted (D) All the above

Description : Pick up the correct statement from the following: (A) Various geometric design features and generally guided by ruling design speed (B) The design speed for a given highway should preferably be uniform (C) Abrupt change in the design speed should not be permitted (D) All the above

Last Answer : Answer: Option D

Consider the following statements: 1. Friction piles are also called floating piles 2. Minimum number of piles to qualify as a pile group is three. 3. The group efficiency of a pile group may be either less than 100% or more than 100%. Which of these statements are correct? (a) 1, 2 & 3 (b) 1 & 2 only (c) 2 & 3 only (d) 1 & 3 only

Description : Consider the following statements: 1. Friction piles are also called floating piles 2. Minimum number of piles to qualify as a pile group is three. 3. The group efficiency of a pile group may be either less than 100% or more than 100%. ... ) 1, 2 & 3 (b) 1 & 2 only (c) 2 & 3 only (d) 1 & 3 only

Last Answer : (a) 1, 2 & 3

At the center line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be (A) Minimum (B) Maximum (C) Zero (D) Could be any value

Description : At the center line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be (A) Minimum (B) Maximum (C) Zero (D) Could be any value

Last Answer : Answer: Option D

There are two properties of the cell necessary to maintain nonequilibrium cellular composition; the first is selectivity and the second is energy conversion. Which of the following statement(s) is/are true concerning energy converting transport? a. The site of energy conversion and transport in the plasma membrane involves the phospholipid component b. The Na+-K++-ATPase derives energy from hydrolysis of extracellular ATP c. In some systems, energy inherent in the transmembrane ion gradient can be used to drive transport of a second species d. Examples of species transported via secondary active transport include hydrogen ions, calcium, amino acids and glucose

Description : There are two properties of the cell necessary to maintain nonequilibrium cellular composition; the first is selectivity and the second is energy conversion. Which of the following statement(s ... transported via secondary active transport include hydrogen ions, calcium, amino acids and glucose

Last Answer : Answer: c, d The selectivity of the plasma membrane, although impressive, cannot account for the nonequilibrium composition of living cells. A cell can be maintained in a nonequilibrium state only by ... to drive the transport of a second species such as protons, calcium, amino acids, or glucose

A striking feature of living cells is a marked difference between the composition of the cytosol and the extracellular milieu. Which of the following statement(s) concerning the mechanisms of maintenance of these differences is/are true? a. The cell membrane is able to maintain a 10,000 fold gradient between the extracellular concentration of ionized calcium and the intracellular concentration b. The key to these differences is the fact that the plasma membrane is normally impermeable to sodium, potassium and calcium c. The selectivity of biologic membranes is highly consistent and seldom changes d. The selectivity of cell membranes relates only to ions and not organic compounds

Description : A striking feature of living cells is a marked difference between the composition of the cytosol and the extracellular milieu. Which of the following statement(s) concerning the mechanisms of maintenance ... d. The selectivity of cell membranes relates only to ions and not organic compounds

Last Answer : Answer: a The survival of the cell requires that cytosolic composition be maintained within narrow limits, despite the constant influx of nutrients and the simultaneous outflow of waste. A ... be altered drastically as a result of regulatory or signaling processes that occur within the cell

Involuntary response process which require involvement of C.N.S without consicous effort is

Description : Involuntary response process which require involvement of C.N.S without consicous effort is

Last Answer : Involuntary response process which require involvement of C.N.S without consicous effort is

Involuntary response process which require involvement of C.N.S without consicous effort is

Description : Involuntary response process which require involvement of C.N.S without consicous effort is

Last Answer : Involuntary response process which require involvement of C.N.S without consicous effort is