NATA Mock Test - 5 - JEE MCQ

A spring mass system with unequal masses is placed at rest on a smooth horizontal surface. The spring is initially kept compressed with a thread. When the spring is cut, the mass m moves so as to enter in a vertical circular loop of radius r. The minimum compression x in the spring so that the mass m may negotiate the vertical loop is

A plane electromagnetic wave of angular frequency ω propagates in a poorly conducting medium of conductivity σ and relative permittivity ε. Find the ratio of conduction current density and displacement current density in the medium.

Ratio of Boyle temperature and critical temperature of gas is:

Which of the following is reducing sugar?

Which of the following complex square having planner complex can exhibit geometrical isomerism?

An element has a bcc structure with a cell edge of 288 pm. The density of the element is 7.2 g cm^–3. Number of atoms present in 208 g of the element ?

The most acidic oxyacid of halogen among the given option is

The solution to 

The area bounded by the curves x + 2|y| = 1 and x = 0 is:

The length of the common chord of the circles x² + y² + 2x + 3y + 1 = 0 and x² + y² + 4x + 2 = 0 is

In a triangle ABC, the angle B is greater than angle A. If the values of the angle A and B satisfy the equation 3 sin x - 4 sin³ x - k = 0, 0 < k < 1, then value of C is

The value of 

Identify the type of staircase

Explanations:

Spiral stairs have a wide range of benefits depending upon your space and style

Resins are

Explanations:

Many different kinds of resins may be used to create a varnish. Natural resins used for varnish include amber,kauri gum, dammar, copal, rosin (pine resin), sandarac, balsam, elemi, mastic, and shellac. Varnish may also be created from synthetic resins such as acrylic, alkyd, or

polyurethane.

Refractory bricks are used for

A. retaining walls

B. columns

C. piers

D. combustion chambers.

Explanations:

A fire brick, firebrick, or refractory brick is a block of refractory ceramic material used in lining furnaces, kilns, fireboxes, and fireplaces. A refractory brick is built primarily to withstand high temperature, but will also usually have a low thermal conductivity for greater energy efficiency.

Expanded metal is

Explanations:

Expanded metal is a type of sheet metal which has been cut and stretched to form a regular pattern (often diamond-shaped) of metal mesh-like material. It is commonly used for fences and grates, and as metallic lath to support plaster or stucco.

The rock generally used for roofing, is

Explanations:

Slate is a fine-grained, foliated metamorphic rock that is created by the alteration of shale or mudstone by low-grade regional metamorphism. It is popular for a wide variety of uses such as roofing, flooring, and flagging because of its durability and attractive appearance

Every one of the following questions consists of a related pair of words, followed by five pairs of words. Choose the pair that best represents a similar relationship to the one expressed in the original pair of words.

COTTON : BALE

Explanations:

Upon harvesting, cotton is gathered into bales; grain is gathered into shocks.

Every one of the following questions consists of a related pair of words, followed by five pairs of words. Choose the pair that best represents a similar relationship to the one expressed in the original pair of words.

ELEPHANT : PACHYDERM

Explanations:

kangaroo : marsupial

Every one of the following questions consists of a related pair of words, followed by five pairs of words. Choose the pair that best represents a similar relationship to the one expressed in the original pair of words.

PSYCHOLOGIST : NEUROSIS

Explanations:

A psychologist treats a neurosis; an ophthalmologist treats a cataract.

Every one of the following questions consists of a related pair of words, followed by five pairs of words. Choose the pair that best represents a similar relationship to the one expressed in the original pair of words.

PASTORAL : RURAL

Explanations:

metropolitan : urban

Every one of the following questions consists of a related pair of words, followed by five pairs of words. Choose the pair that best represents a similar relationship to the one expressed in the original pair of words.

TAILOR : SUIT

Explanations:

To tailor a suit is to alter it; to edit a manuscript is to alter it.

Find out which of the figures (a), (b), (c) and (d) can be formed from the pieces given in figure (X).

Explanations:

The below question consists of problem figures and followed by four answer figures (A), (B), (C) and (D). Find out the figure from the answer figures which will continue the given series.

Explanations:

The below question consists of a set of three figures K, L and M showing a sequence of folding of a piece of paper. Figure M shows the manner in which the folded paper has been cut. These three figures are followed by four figures (1), (2), (3) and (4) from which you have to choose a figure which would most closely resemble the unfolded form of

figure M.

Explanations:

For the below question, group the given figures into different classes on the basis of their

orientation, shape etc.

Explanations:

The below question consists of four figures a, b, c and d and followed by answer figures marked as (A), (B), (C) and (D) each consisting of two figures marked a and d. Select a figure from the answer sets which suitable in the problem figure such that c is related to figure d and in the same way figure a is related to figure b.

Explanations:

Solution From figure a to figure b: The entire series rotates in clockwise direction by 1 step and each element rotated by 180 degree.