Online Engineering & Technical Test Preparation

A diode conducts current when it is:

The gain of an ideal operational amplifier (op-amp) is:

The unit of capacitance is:

A device that converts AC to DC is called:

The region between collector and emitter in a transistor is:

Which of the following has negative temperature coefficient?

The input resistance of an ideal op-amp is:

The output resistance of an ideal op-amp is:

The most widely used transistor configuration is:

In an n-p-n transistor, majority carriers are:

The frequency of oscillation of an LC circuit depends on:

The process of superimposing a low-frequency signal on a high-frequency carrier is:

A Zener diode is primarily used for:

The ripple factor of a full-wave rectifier is approximately:

Question

The device used to amplify weak signals is:

The time constant of an RC circuit is given by:

In digital electronics, TTL stands for:

In a half-wave rectifier, the efficiency is about:

The op-amp circuit used as a voltage follower has a gain of:

The efficiency of an ideal Carnot engine depends on:

The ratio of actual volume displaced by piston to swept volume is called:

The unit of force in SI is:

The instrument used to measure pressure is:

Pascal’s law is applicable to:

The efficiency of a machine is always:

The ratio of output to input in a machine is called:

The hardest material on Moh’s scale is:

In thermodynamics, the first law is related to:

The property of a material to regain its original shape after deformation is:

In SI system, the unit of power is:

The process of heating steel above critical temperature and cooling suddenly is called:

A four-stroke engine completes one cycle in:

The energy stored in a flywheel is:

The unit of viscosity in SI is:

In refrigeration, the unit of refrigeration is:

The instrument used to measure high temperature is:

A material that can be drawn into wires is called:

The Reynolds number is used to predict:

The cycle used in gas turbine engines is:

The most suitable foundation for black cotton soil is:

The standard size of a modular brick is:

The slump test is used for measuring:

The load which causes sudden failure of structure is called:

The main constituent of cement is:

The process of mixing water with cement is called:

The bending moment at the free end of a cantilever beam is:

The minimum water-cement ratio for ordinary concrete is about:

The unit of pressure in SI system is:

A structure designed to resist lateral loads of soil is called:

The bearing capacity of soil is expressed in:

The initial setting time of ordinary Portland cement is:

The most commonly used admixture in concrete is:

The thickness of plastering usually varies between:

The process of filling water in a canal is called:

The type of survey carried out to prepare contour maps is:

A structure that allows water to flow under a road or railway is called:

The density of reinforced cement concrete (RCC) is about:

A brick laid with its length parallel to the face of the wall is called:

The process of maintaining moisture in concrete after placing is called:

The “brain” of the computer that interprets and executes instructions is the:

• Which component cools the CPU to prevent overheating?

What is the purpose of the ALU (Arithmetic Logic Unit)?

Which device is an example of secondary storage?

• The memory used to permanently store firmware is called:

• What is the role of a graphics card (GPU)?

Which of the following is system software?

He is capable ___ doing hard work.

Synonym of “Hard” is

We should work hard ___ success

He is accustomed ___ hard work.

The component of a computer that carries out arithmetic and logic operations is the:

What holds the CPU, RAM, and expansion cards?

Which device is used to convert soft copy into hard copy?

What type of memory is volatile (loses its content when power is off)?

Which of the following is not an input device?

SATA stands for:

• What component is responsible for maintaining the correct clock timing inside a computer?

Which device supplies power to the computer and its components?

Which of the following enlarges the functionality of a computer by allowing adding extra components?

GUI enables users to:

What is a disadvantage of open-source software?

What is a DBMS used for?

What is beta software?

What is a software module?

What is proprietary software?

What is portability in software?

What is software version control?

In object-oriented programming, objects contain:

What is middleware used for?

What is maintenance in the software lifecycle?

Which is not a responsibility of system software?

What does “firmware” refer to?

What does “firmware” refer to?

Which of the following is an advantage of open-source software?

Which of the following is an advantage of open-source software?

What is the function of a compiler?

What does GUI stand for?

Which software helps in protecting computers against viruses?

What is the primary purpose of application software?

The most commonly used semiconductor material is:

A diode conducts current when it is:

The gain of an ideal operational amplifier (op-amp) is:

The unit of capacitance is:

A device that converts AC to DC is called:

The region between collector and emitter in a transistor is:

Which of the following has negative temperature coefficient?

The input resistance of an ideal op-amp is:

The output resistance of an ideal op-amp is:

The most widely used transistor configuration is:

In an n-p-n transistor, majority carriers are:

The frequency of oscillation of an LC circuit depends on:

The process of superimposing a low-frequency signal on a high-frequency carrier is:

A Zener diode is primarily used for:

The ripple factor of a full-wave rectifier is approximately:

Question

The device used to amplify weak signals is:

The time constant of an RC circuit is given by:

In digital electronics, TTL stands for:

In a half-wave rectifier, the efficiency is about:

First law of thermodynamics is a restatement of

Zeroth law of thermodynamics deals with

Which process occurs at constant pressure

In an isothermal process, the internal energy of an ideal gas

The efficiency of a Carnot engine depends on

In an adiabatic process, heat exchange between system and surroundings is

Entropy is a measure of

Specific heat of a substance is defined as

The second law of thermodynamics introduces the concept of

Which law defines absolute zero

In a cyclic process, the change in internal energy is

The unit of heat capacity in SI is

If ΔU = 0, then according to the first law

Which of the following is a reversible process

Heat required to change solid into liquid without temperature change is called

The internal energy of an ideal gas depends only on

In which process is PV = constant

Kelvin scale of temperature is based on

Heat engine works on the principle of converting

Refrigerator works on the principle of

The most commonly used grade of concrete in RCC is:

The permissible stress in mild steel (Fe-250) in limit state method is about:

The minimum percentage of steel in RCC slab (as per IS code) is:

The load-carrying capacity of a column depends on:

The effective length of a column is:

The minimum cover for RCC footing is:

1. In a singly reinforced beam, steel is provided in:

The point in a beam where bending moment is zero is called:

The maximum strain in concrete (limit state method) is:

In RCC design, partial safety factor for steel is taken as:

The type of slab supported on all four sides with corners free to lift is:

The diameter of bars used in stirrups is usually:

The effective span of a simply supported beam is:

The shear reinforcement in RCC beams is provided in the form of:

In prestressed concrete, the most commonly used method is:

The minimum thickness of a slab is generally taken as:

The grade of steel Fe-415 means:

The factor of safety used in working stress method is:

The load combination considered in RCC design includes:

A diode conducts current when it is:

The Laplace transform is mainly used in control systems for:

The transfer function of a system is defined as the ratio of

A system is said to be stable if:

The steady-state error of a type-0 system for a step input is:

The number of roots of the characteristic equation in the right half-plane gives:

The Routh-Hurwitz criterion is used for:

The unit of gain in Bode plot is:

The phase margin of a system is measured at:

The Nyquist criterion is based on:

The bandwidth of a control system is:

A PI controller is used to:

A PD controller is mainly used to:

The open-loop transfer function of a unity feedback system is G(s)=10s(s+2)G(s)=s(s+2)10​. The type of system is:

The root locus branches start from:

The damping ratio ζ of a second-order system determines:

If gain margin is negative, the system is:

The rise time of a control system is the time required for the response to rise from:

The settling time (Ts) is defined as the time taken by the response to stay within:

The unit step response of a stable system always:

A lead compensator provides:

The basic building block of digital circuits is:

The complement of (A + B) is given by DeMorgan’s theorem as:

The XOR gate output is 1 when:

Which number system is base-16?

The binary equivalent of decimal 13 is:

A half adder has:

The carry in a half adder is generated using:

A full adder requires:

The universal gates are:

The flip-flop used as a basic memory element is:

A D flip-flop is also called:

The output of a ring counter with 4 flip-flops has:

The minimum number of flip-flops required to design a MOD-16 counter is:

Gray code is used in digital systems to:

The binary number 101101 in decimal is:

A multiplexer (MUX) is:

A decoder with n inputs can have maximum outputs:

The basic difference between combinational and sequential circuits is:

In digital electronics, TTL stands for:

The device used to amplify weak signals is: