EARLIER LESSONS

Question 1

refers to a system of connected parts used to support a load.

Answer 1

STRUCTURE

Question 2

is the science and art of planning, designing, constructing safe and economical structures that will serve their intended purposes.

Answer 2

STRUCTURAL ENGINEERING

Question 3

STRUCTURAL MEMBERS SUBJECTED TO A TENSILE FORCE

Answer 3

TIE RODS/BRACING STRUTS

Question 4

ARE USUALLY STRAIGHT HORIZONTAL MEMBERS USED PRIMARILY TO CARRY VERTICAL LOADS. MEMBERS DESIGNED TO* RESIST BENDING MOMENT.*

Answer 4

BEAMS

Question 5

MEMBERS THAT RESIST AXIAL COMPRESSIVE FORCE.

Answer 5

COLUMNS

Question 6

CONSIST OF SLENDER ELEMENTS USUALLY ARRANGED IN A TRIANGULAR FASHION.

Answer 6

TRUSSES

Question 7

ARE USUALLY FLEXIBLE AND CARRY THEIR LOADS IN TENSION

Answer 7

Cables

Question 8

ACHIEVE ITS STRENGTH IN COMPRESSION, SINCE IT HAS REVERSE CURVATURE TO THE CABLE

Answer 8

Arches

Question 9

are often used in buildings and are composed of beams and columns that are either pin or fixed connected

Answer 9

FRAMES

Question 10

made from a material having a very small thickness compared to its other dimensions.

Answer 10

SURFACE STRUCTURES

Question 11

is the process of determining the elements of a structure such as size of columns, beams, their reinforcements or foundation elements by methodical computation.

Answer 11

STRUCTURAL DESIGN

Question 12

is a process of determining wether the design made can resist to actual loads; in other words. it is also to evaluate the performance of a structure.

Answer 12

STRUCTURAL ANALYSIS

Question 13

2 TYPES OF STRUCTURAL FORMS

Answer 13

A. STRUCTURAL ELEMENTS
B. TYPES OF STRUCTURES

Question 14

TYPES OF STRUCTURES

Answer 14

A. TRUSSES
B. CABLES & ARCHES
C. FRAMES
D. SURFACE STRUCTURES

Question 15

STRUCTURAL ELEMENTS

Answer 15

• TIE RODS/ BRACING STRUTS
• BEAMS
• COLUMNS

Question 16

is considered the backbone of all engineering programs. It deals with the basic concepts of force, moment and its effect on bodies at rest or in motion. It helps us understand how different bodies behave under the application of different kinds of loads or forces.

Answer 16

APPLIED MECHANICS

Question 17

The Branch of Science which *deals with the study of different laws of Mechanics *as applied to the Solution of Engineering Problems is called

Answer 17

APPLIED MECHANICS

Question 18

Mechanics can broadly be classified into two branches

Answer 18

1. STATICS
2. DYNAMICS

Question 19

study of bodies at rest.

Answer 19

STATICS

Question 20

study of bodies in motion.

Answer 20

DYNAMICS

Question 21

are those that undergo deformation in size and shape under the effects of forces acting over them.

Answer 21

DEFORMABLE BODIES

Question 22

Good Knowledge of _____________is essential in the study of Mechanics of Deformable Bodies.

Answer 22

Materials

Question 23

In the Real world no solid body is ___________
______________ as everybody changes its size and shape under the effects of forces but many a times the deformation is negligible enough for the body to be considered Rigid

Answer 23

PERFECTLY RIGID

Question 24

is any external effort or agency that causes an object to undergo a certain change, either concerning its movement, direction, or geometrical construction.

Answer 24

FORCE

Question 25

The **principle states** that when a force acts upon a body, it’s effect is the same whatever point in its line of action is taken as the point of application provided that the point is connected with the rest of the body in the same invariable manner.

Answer 25

Principle of Transmissibility of Force

Question 26

The effects of two **forces acting simultaneously** on a body are the same as the effect of the two forces acting independently.

Answer 26

Principle of Superposition of Forces

Question 27

A force can be represented graphically by a **vector**

Answer 27

VECTOR REPRESENTATION

Question 28

A force can be designated by **two capital letters** written one on either side of the force as shown above.

Answer 28

BOW’S NOTATION

Question 29

When a number of forces are acting **TOGETHER** we call them a _________ ______

Answer 29

FORCE SYSTEMS

Question 30

When a system of forces is such that all forces **LIE** in **ONE plane** then it is called a

Answer 30

COPLANAR FORCE SYSTEMS

Question 31

Forces in this system **LIE** along a **SINGLE** line.

Answer 31

COLLINEAR FORCE SYSTEM

Question 32

Forces in this system **INTERSECT** at a single/one point.

Answer 32

CONCURRENT FORCE SYSTEM

Question 33

Forces **parallel** to each other.

Answer 33

NON CONCURRENT PARALLEL FORCE SYSTEM

Question 34

Forces are *coplanar* bur **not** **parallel**.

Answer 34

NON CONCURRENT NON PARALLEL FORCE SYSTEM

Question 35

When forces in a system **do not lie** in one plane.

Answer 35

NON COPLANAR FORCE SYSTEMS

Question 36

Forces in this system **do not intersect** at one point.

Answer 36

NON CONCURRENT FORCE SYSTEM

Question 37

is a single force which can **replace two or more forces** and produce the same effect on the body as the forces. Many forces can be composed into one single Resultant Force and this is known as:

Answer 37

COMPOSITION OF FORCES

Question 38

As many forces can be composed into one single **Resultant**, so can a single Force be replaced by two forces acting in directions which will produce the same effect as the single force. This breaking of the force into two forces is called

Answer 38

RESOLUTION OF A FORCE

Question 39

The law states that, If three forces acting at a point are in equilibrium, they can be represented in magnitude and direction by the sides of a **triangle taken in order.**

Answer 39

TRIANGULAR LAW OF FORCES

Question 40

states that, If a number of forces acting simultaneously on a particle/ body (concurrent forces) can be represented in magnitude and direction by the sides of a polygon taken in order, their resultant may be represented in magnitude and direction by the closing side of the **polygon taken in opposite order.**

Answer 40

LAW OF POLYGON OF FORCES

Question 41

is a **pair** of *forces*, equal in magnitude, oppositely directed, and displaced by perpendicular distance or moment.

Answer 41

COUPLE

Question 42

The structural element that **bears the weigh**t / load of the spanning member and keeps it upright, providing resistance from gravity.

Answer 42

SUPPORTS

Question 43

a **support** providing *only vertical resistance *to the ends of a spanning members, while provides horizontal & rotational translation.

Answer 43

SIMPLE SUPPORT

Question 44

A support providing **vertical & horizontal resistance** to the ends of a spanning member, while *provides rotational translation only*.

Answer 44

HINGED / PINNED SUPPORT

Question 45

A **non-frictional support **providing only *vertical resistance *to the ends of a spanning member, while provides horizontal & rotational translation.

Answer 45

ROLLER SUPPORT

Question 46

A support providing** vertical, horizontal & rotational resistance** to the end of a spanning member.

Answer 46

FIXED SUPPORT

Question 47

Structures which can be **analysed** just by use of basic equilibrium equations (ΣFH= 0, ΣFV= 0,ΣM = 0) are called as

Answer 47

STATICALLY DETERMINATE STRUCTURES

Question 48

Structures which **cannot be analysed** just by use of basic equilibrium equations (ΣFH= 0, ΣFV= 0,ΣM = 0) and require special equations like compatibility relations, are called as statically indeterminate structures. E.g. Fixed beam, Propped cantilever beam, Continuous beam, Frames / Trusses.

Answer 48

STATICALLY INDETERMINATE

Question 49

The number of **reactions excess **over the number of equilibrium equations available is called as___________ ________.

Answer 49

DEGREE OF INDETERMINANCY

Question 50

to ensure the equilibrium of a structure of its members, it is not only necessary to satisfy the equations of equilibrium.

Answer 50

STABILITY

Question 51

a structure or one of its members may have fewer reactive forces than equations of equilibrium that must be satisfied

Answer 51

PARTIAL CONSTRAINTS

Question 52

a structure may have as many unknown forces as there are equations of equilibrium.

Answer 52

IMPROPER CONSTRAINTS

Question 53

The **clear** horizontal distance between supports is called as

Answer 53

CLEAR SPAN & EFFECTIVE SPAN

Question 54

3 CLASSES OF LOADING:

Answer 54

* LIVE LOADS * DEAD LOADS * ENVIRONMENTAL LOADS

Question 55

Cross sectional area x density of material

Answer 55

DEAD LOAD CALCULATION

Question 56

is **assumed as per occupancy** of the *building*, which depends on the footfall.

Answer 56

LIVE LOAD

Question 57

**originator** of the theory of structures

Answer 57

GALILEO GALELEI

Question 58

**developed** law of linear relationships between the force and deformation of materials.

Answer 58

ROBERT HOOKE

Question 59

**FORMULATED** THE LAWS OF MOTION AND DEVELOPED CALCULUS

Answer 59

SIR ISAAC NEWTON

Question 60

**FORMULATED** THE *PRINCIPLE OF VIRTUAL WORK.*

Answer 60

JOHN BERNOULLI

Question 61

**1ST PHASE** OF A TYPICAL STRUCTURAL ENGINEERING PROJECT

Answer 61

PLANNING PHASE

Question 62

**2ND PHASE** OF A TYPICAL STRUCTURAL ENGINEERING PROJECT

Answer 62

PRELIMINARY STRUCTURAL DESIGN

Question 63

**3RD PHASE** OF A TYPICAL STRUCTURAL ENGINEERING PROJECT

Answer 63

ESTIMATION OF LOADS

Question 64

**4TH PHASE** OF A TYPICAL STRUCTURAL ENGINEERING PROJECT

Answer 64

STRUCTURAL ANALYSIS

Question 65

**6TH PHASE** OF A TYPICAL STRUCTURAL ENGINEERING PROJECT

Answer 65

CONSTRUCTION PHASE

Question 66

GIVE 1 **GENERAL** BUILDING CODE

Answer 66

NATIONAL BUILDING CODE OF THE PHILIPPINES

Question 67

GIVE 2 **DESIGN CODES**

Answer 67

* BUILDING CODE REQUIREMENTS FOR REINFORCED CONCRETE, American Concrete Institute (ACI) * MANUAL OF STEEL CONSTRUCTION, AMERICAN INSTITUTE OF STEEL CONSTRUCTION (AISC)

Question 68

is dyne a part of unit force?

Answer 68

yes!!