Jointed appendages are characteristic of which phylum?

Jointed appendages are characteristic of which phylum?
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Arthropoda
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Assertion : IgM is a type of immunoglobulin which cannot cross the placenta Reason : IgM is a pentamer immunoglobulin jointed by I-chain

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What is common among silverfish, scorpion, crab and honey bee? (a) Jointed legs (b) Metamorphosis (c) Compound eyes (d) Poison glands

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Two common characters found in centipede, cockroach and crab are (a) book lungs and antennae (b) compound eyes and anal cerci (c) jointed legs and chitinous exoskeleton (d) green gland and tracheae.

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Degree of static indeterminacy of a rigid-jointed plane frame having 15 members, 3 reaction components and 14 joints is (A) 2 (B) 3 (C) 6 (D) 8

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A pin-jointed plane frame is unstable if (A) (m + r) < 2j (B) (m + r) = 2j (C) (m + r) > 2j (D) None of the above Where m is number of members, r is reaction components and j is number of joints

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Last Answer : (A) (m + r) < 2j

Number of unknown internal forces in each member of a rigid jointed plane frame is (A) 1 (B) 2 (C) 3 (D) 6

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The degree of kinematic indeterminacy of a pin-jointed space frame is (A) 2j - r(B) 3j - r(C) j - 2r(D) j - 3rWhere j is number of joints and r is reaction components

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If there are m unknown member forces, r unknown reaction components and j number of joints, then the degree of static indeterminacy of a pin-jointed plane frame is given by (A) m + r + 2j (B) m - r + 2j (C) m + r - 2j (D) m + r - 3j

Description : If there are m unknown member forces, r unknown reaction components and j number of joints, then the degree of static indeterminacy of a pin-jointed plane frame is given by (A) m + r + 2j (B) m - r + 2j (C) m + r - 2j (D) m + r - 3j

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Independent displacement components at each joint of a rigid-jointed plane frame are (A) Three linear movements (B) Two linear movements and one rotation (C) One linear movement and two rotations (D) Three rotations

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Last Answer : (B) Two linear movements and one rotation

The number of independent displacement components at each joint of a rigid-jointed space frame is (A) 1 (B) 2 (C) 3 (D) 6

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Last Answer : (D) 6

The degree of static indeterminacy of a pin-jointed space frame is given by m r j number of joints) (A) m + r - 2j (B) m + r - 3j (C) 3m + r - 3j (D) m + r + 3j

Description : The degree of static indeterminacy of a pin-jointed space frame is given by m r j number of joints) (A) m + r - 2j (B) m + r - 3j (C) 3m + r - 3j (D) m + r + 3j

Last Answer : (B) m + r - 3j

Degree of kinematic indeterminacy of a pin-jointed plane frame is given by (A) 2j - r (B) j - 2r (C) 3j - r (D) 2j + r

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Last Answer : (A) 2j - r

The degree of static indeterminacy of a rigid-jointed space frame is (A) m + r - 2j (B) m + r - 3j (C) 3m + r - 3j (D) 6m + r - 6j Where m, r and j have their usual meanings

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Last Answer : (D) 6m + r - 6j

A rigid-jointed plane frame is stable and statically determinate if (A) (m + r) = 2j (B) (m + r) = 3j (C) (3m + r) = 3j (D) (m + 3r) = 3j Where m is number of members, r is reaction components and j is number of joints

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Last Answer : (C) (3m + r) = 3j

If in a rigid-jointed space frame, (6m + r) < 6j, then the frame is (A) Unstable (B) Stable and statically determinate (C) Stable and statically indeterminate (D) None of the above

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If in a pin-jointed plane frame (m + r) > 2j, then the frame is (A) Stable and statically determinate (B) Stable and statically indeterminate (C) Unstable (D) None of the above

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Last Answer : (B) Stable and statically indeterminate

Columns of given length, cross-section and material have different values of buckling loads for different end conditions. The strongest column is one whose (A) One end is fixed and other end is hinged (B) Both ends are hinged or pin jointed (C) One end is fixed and the other end entirely free (D) Both the ends are fixed

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Last Answer : (D) Both the ends are fixed

Influence lines are drawn for structures (A) Of any type (B) Statically determinate (C) Pin-jointed truss (D) None of these

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Last Answer : (A) Of any type 

Pick up the correct statement from the following: (A) In a king post truss, principal rafter and tie beams are jointed together with a bridle joint (B) Joint between the principal rafter and the king post is made by making tenon and mortise respectively (C) Joint between strut and king post, is generally of mortise and tenon type (D) All the abov

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Last Answer : Answer: Option D

From the following which type of work envelope is made in jointed arm robot. (A) Rectangular work envelope (B) Cylindrical work envelope (C) Spherical or hemispherical work envelope (D) None of the above

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