A triangle lamina having a base 1 m and height 1.5 m is placed vertically under water with the base parallel to the water surface and the base below 3 m of water. The total force exerted on one face is :

If the velocity potential function is given by Ø= 3x - 4y, find the magnitude and direction of velocity at any point:

A jet of water 40 mm in diameter has a velocity of 25 m/s. Find the power of the jet:

An offset is laid out 20 from its true direction on the field. If the scale of plotting is 10m to 1cm, find the maximum length of the offset so that the displacement of the point on the paper may not exceed 0.25 mm?

A square footing 2.5 m x 2.5 m is built in a homogeneous bed of sand of unit weight 20 kN/m³ and having an angle of shearing resistance of 36°. The depth of the base of the footing is 1.5 m below the ground surface. Calculate the safe load that can be carried by a footing with a factor of safety 3 against complete shear failure? Bearing capacity factors Nc =65.4, Nq = 49.4 and Nr =54.0

Hydrophobic cement is obtained by grinding ordinary Portland cement clinker with

How much initial slump is required for a concrete mix to be fluidised by plasticizers or super plasticizers?

IS: 800-2007 limits the values of width-thickness ratios of the elements of a steel section to place a check on

The shape factor of a square of side 'a' with its diagonal parallel to the ZZ axis is:

Minimum grade of concrete mix used for water retaining structures with alternate wetting and drying

Year's purchase for an old building if its future life is 15 years and the rate of interest is 7% on capital and 4% for sinking fund

A three hinged arch of span 20 m and rise 4 m carries a uniformly distributed load of 25 kN/m. Horizontal thrust is :

Which of the following are method of analysis of water distribution system ?

For disinfecting water supply, it is required to treat 5,00,000 litres of daily 0.5 ppm of chlorine. If the disinfectant is available in the form of bleaching powder 30% of available chlorine, the amount of bleaching powder required to treat the water is :

In water treatment settling unit, water having a temperature of 20 Degree carries solid particles with average diameter of 0.05 mm and specific gravity 1.20.Given ɣ= 1.01 centi stokes, Settling velocity of settling particles is :

At shut off head of a centrifugal pump, the discharge is

The minimum dissolved oxygen which should always be present in water for survival of aquatic life is :

In the case of surface water with a pH range of 6 to 8, which is the most suitable coagulant

The pipe joint commonly used in pumping station are:

The strength of chlorine in fresh bleaching powder is:

Estimated the quantity of secondary sludge produced by a secondary settling tank treating sewage discharge of 3.5 mld. The sludge may be assumed to have a solid concentration of 200 mg/l, removal efficiency of suspended solids as 90% and the solid content of the sludge as 6 per cent

The equation used for experimental measurement of viscosity is:

Bernoullis equation is derived starting from :

Orificemeter is used for measuring :

Optical Pyrometer working principle is based on

Froude number is directly proportional to

Centrifuging in Ball mills occur when the speed is

Peclet Number NPe is the product of

LMTD correction factors are used for

Slugging in fluidized beds occur when

Michaelis - Menten parameters can be cvaluated using

Boiling Point Elevation of solutions strongly influences

At all humidities other than zero or hundred percentage, percentage humidity is

Many important fermentation products like antibiotics are formed during

Dilution rate D for a bioreactor is the reciprocal of

Ficks law of diffusion is analogous to

Temperature dependency of equilibrium constant is predicted by

In an ideal PFR, the reactant concentration

Baffles in shell and Tube heat exchangers are provided mainly for :

Conversions in reversible exothermic reactions can be improved by :

Frossling correlation relates mass transfer coefficient with :

Knudsen diffusivity is :

Crushing Rolls are :

Differential method of analysis of kinetic data is:

Rate Selectivity parameter is important in the design of :

A piezometer is connected to a vessel containing water to measure the pressure inside. If the height of column of water measured is 24 cm, the pressure inside the vessel in kPa is :

One kilogram of water is heated from 20°C to 90°C. If the specific heat of water is 4.186 kJ/kgK, the entropy change occurred assuming constant specific heat in kJ/kgK is

In order to have maximum power from a Pelton turbine, the bucket speed must be

Heat and work are

In a condenser of a power plant, the steam condenses at a temperature of 70°C. The cooling water enters at 30°C and leaves at 50°C. The logarithmic mean temperature difference of the condenser is

A refrigerator takes an electrical power of 150 Watts and rejects 450 Watts to surrounding air. The coefficient of performance of refrigerator is

Which one of the following is a CFC refrigerant

Tooth interference in an external involute spur gear pair can be reduced by

The following data refers to two crossed helical gears used for speed reduction. Gear I: Pitch circle diameter in the plane of rotation 80 mm and helix angle 300. Gear II: Pitch circle diameter in the plane of rotation 120 mm and helix angle 22.5°. If the input speed is 1280 rpm, the output speed in rpm is

A clutch has outer and inner diameters 100 mm and 40 mm respectively. Assuming a uniform pressure of 2 MPa and coefficient of friction of liner material 0.4, the torque carrying capacity of clutch is

If the equilibrium speed of a governor is constant for all radii of rotation of the fly balls within the working range, it is known as

The fraction of unbalanced mass used for primary balancing of a reciprocating engine is

If the balancing mass of a locomotive wheel is 15 kg acting at a radius of 0.7 m when the wheel has dead weight of 110 kg, the limiting rotational speed of the wheel in rad/sec to avoid lifting from rails is close to

The crystal structure of austenite is

The maximum energy that can be absorbed per unit volume without creating a permanent distortion in a material is known as:

The welding processes which uses non-consumable electrode is

Internal gear cutting operation can be performed by

For a damped vibrating system, when the critical damping coefficient is less than the damping coefficient, the system is said to be

If two nodes are observed at a frequency of 1800 rpm during whirling of a simply supported long slender rotating shaft, the first critical speed of the shaft in rpm is

A thin walled spherical shell is subjected to an internal pressure. If the radius of the shell is increased by 1%, with the internal pressure remaining the same, the percentage change in the hoop stress is.

Who was the President of Indian Constituent Assembly?

The first amendment of Indian Constitution came into force on:

In the Parliamentary system of India, the executive is subordinated to:

Who is the founder of PRDS?

Who helped the Vaikom Satyagrahis by opening a free kitchen for them?

The women K.P.C.C. President who lead the Quit India and Civil disobedience movements:

The author of the work 'Odakkuzhal who won the 'Njanapeetom Award: .

Who was the leader to become the head of the Radio Broadcast division of Indian Independent League?

Who visited Mahathma Gandhi at Thirunelvely in 1921:

Where was the first SNDP meeting convened?

Birth place of Saint Kusiako Elias Chavara :

Which Newspaper was founded by Vakkom Moulavi?

Kumaran Asan's Veena Poovu was first published in:

Malayali Memorial Memorandum was submitted to:

Which one is not a work of Changampuzha?

The Historic struggle lead by Ayyankali to join scheduled class students to government schools occurred in which place :

How many members are there in the Kerala legislative assembly?

What is the percentage of seats reserved for women in the Kerala local self government elections?

Who founded the first college in Kerala?

Mannathu Padmanabhan was the president of which Devaswom board?