List of top Agricultural Engineering and Technology Questions

Which of the following corrections are applied to hydrometer readings during sedimentation analysis?
A. Temperature correction
B. Meniscus correction
C. Humidity correction
D. Moisture correction
E. Deflocculating agent correction
Choose the correct answer from the options given below:
A sample of silt clay has a volume of 15.0 $\text{cm}^3$, total mass of 30.0 g, a dry mass of 27.0 g and specific gravity of 2.7. The void ratio will be:}
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: Bodies radiate heat at all temperatures
Reason R: Rate of radiation of heat is proportional to the fourth power of absolute temperature
In light of the above statements, choose the correct answer from the options given below:
The assumptions made in derivation of Bernoulli’s theorem are:
A. The fluid is ideal i.e viscosity is zero
B. The flow is steady
C. The flow is incompressible
D. The flow is irrotational
E. The flow is compressible
Choose the correct answer from the options given below:
Given below are two statements:
Statement I: In parallel flow heat exchanger the exit temperature of cold fluid can exceed that of hot fluid.
Statement II: In counter flow heat exchanger the exit temperature of cold fluid cannot be higher than that of hot fluid.
In light of the above statements, choose the most appropriate answer from the options given below:
An engine running at 150 rpm drives a line shaft by means of a belt. The engine pulley is 750 mm diameter and the pulley on the line shaft being 450 mm. A 900 mm diameter pulley on the line shaft drives a 150 mm pulley keyed to a dynamo shaft. The speed of dynamo shaft in rpm will be
Consider the following statement(s) for its correctness.
A. In kinematic chain, the relative motion between the links is completely constrained.
B. A kinematic chain is known as mechanism when all of the links are fixed.
C. The mechanism forms a structure when number of degrees of freedom is zero
D. In kinematic chain, quaternary joint is equivalent to two binary joints
Choose the correct answer from the options given below:
Given below are two statements:
Statement I: The function of governor is to regulate mean speed of engine when there are variations in load
Statement II: A governor is said to be hunting if the speed of engine remains constant at the mean speed
In light of the above statements, choose the most appropriate answer from the options given below
The addition of two binary quantities \((10011)_2\) and \((1111)_2\) will be
Which of the following are interrupt inputs of 8085 microporcessor?
A. TRAP
B. RST 7.5
C. RST 10.5
D. RST 5.5
E. INTR
Choose the correct answer from the options given below:
Given below are two statements:
Statement I: AC generators carry slip rings while DC generators require a commutator
Statement II: Voltage generated in any DC generator is alternating and only becomes DC after it has been rectified by the commutator.
In light of the above statements, choose the most appropriate answer from the options given below
Given below are two statements:
Statement I: The accuracy of null type instruments is higher than that of deflection type instruments
Statement II: Null type instruments are more suitable to dynamic measurements compared to deflection instruments
In light of the above statements, choose the most appropriate answer from the options given below
Five percent increase in supply frequency will change the synchronous speed of motor by
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: DC series motors are suitable for buses, trolleys and trains.
Reason R: DC series motors are variable speed motors.
In light of the above statements, choose the correct answer from the options given below
Consider the following statements about DC motors and generators
A. Starting torque of series motor is considerably greater than shunt motor
B. Armature is the rotating part of DC generator
C. In series motor, the field is connected in series with armature
D. Series motors are not suitable to drive devices which must run at high speed at light loads.
E. In shunt motor, torque is independent of armature current.
Choose the correct answer from the options given below:
A single phase 150 V electric motor absorbs 8.0 A while running at 1500 rev/min and developing 2.8 N-m of torque. The phase angle between voltage and current is \(60^\circ\). What is power efficiency of the motor?
Consider the following statements related to electric circuits:
A. Leading and lagging current are phenomena that occur as a result of direct current.
B. In the case of a circuit having only resistances, the voltages and currents are in phase
C. In a purely capacitive circuit, the current will lead the voltage
D. In a purely inductive circuit, the current will lag the voltage
Choose the correct answer from the options given below:
A matrix which, when multiplied by itself, yields itself is known as
Compute \(\int \log x \, dx\)
Given below are two statements:
Statement I: A function which is differentiable at a point must also be continuous at that point
Statement II: A function which is continuous at a point is not necessarily differentiable at that point
In light of the above statements, choose the most appropriate answer from the options given below
The convergence of which of the following method depends on initial assumed value
Find the mean of x, if x is a Poisson variate satisfying the condition P(3)=P(4)
A, B and C are three mutually exclusive and exhaustive events associated with a random experiment. If \(P(B) = 3/2 \, P(A)\) and \(P(C) = 1/2 \, P(B)\), Then \(P(A)\) will be
Which of the following is true in respect of ‘Median’?
A. It is based on all observations
B. It is the best measure of central tendency
C. It is NOT at all affected by extreme values
D. It is rigidly defined
E. It coincides with the second quartile
Choose the correct answer from the options given below:
The USBR recommendations for minimum freeboard of a control spillway over its maximum water level for earth dam having height less than 60m is: